1 ► District of Columbia, Washington, Southeast Washington, Navy Yard — "4-in. 40 caliber rifles" —

On Isaac Hull Avenue, SE north of Anacostia Riverwalk Trail, on the right when traveling south.

These two guns, originally known as breech-loading rifles, are trained in a southerly direction, to either side of the flagpole. Gun on East side, registry no. 21, manufactured in 1896 here at the Navy Yard mounted on USS PURITAN (Monitor #1, . . . — — Map (db m52098) HM

2 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 9 — 100M — Then & Now — Capitol Riverfront

On 2nd Street Southeast just north of M Street Southeast, on the right when traveling north. Reported permanently removed.

Prior to the plot of land at the corner of 1st and M Streets, SE being purchased by Opus East, the On Luck Cafeteria and Zohery Bus Tours garage were open and operating for many years. Open since the 1960s, On Luck Cafeteria served up fried chicken . . . — — Map (db m141563) HM

3 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 7 — 1015 Half — Then & Now — Capitol Riverfront

On 2nd Street Southeast just north of M Street Southwest, on the right when traveling north. Reported permanently removed.

1015 Half Street is a 421,000 square-feet Class A office building originally started by OPUS East but finished by Skanska and now owned by Prudential. Started in 2008, the building stood as a vacant shell through much of the Great Recession until it . . . — — Map (db m141556) HM

4 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 13 — 1221 Van — Then & Now — Capitol Riverfront

Near Water Street Southeast west of 4th Street Southeast, on the left when traveling west. Reported permanently removed.

The parcel on which 1221 Van is located was once the site of a much frequented gas station at the corner of South Capitol and N Streets, which operated until late 2007. Once owned by Monument Realty and Lehman Brothers, the site was purchased by the . . . — — Map (db m141573) HM

5 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1607 — John Smith —

On 3rd Street Southeast north of Tingey Street Southeast, on the right when traveling north.

The first permanent English colonists come to the New World in three small ships; the Susan Constant, Godspeed and Discovery. After settling at what is now Jamestown, Virginia Captain Smith becomes their leader. — — Map (db m112727) HM

6 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1631 — Transportation Walk —

Near 3rd Street Southeast north of Tingey Street Southeast, on the right when traveling north.

America's first ferry-man Edward Converse is paid one or two pence a person, six pence per pig and extra monies to run the ferry at night across the Charles River between Boston and Charlestown. — — Map (db m112728) HM

7 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 16-inch Projectiles —

On Isaac Hull Avenue, on the right when traveling north.

These projectiles were fired from the largest guns used by the U.S. Navy, specifically the 16-inch/50 caliber guns on the Iowa-class battleships. These ships were the USS Iowa (BB61), USS New Jersey (BB62), USS Missouri (BB63), and USS Wisconsin . . . — — Map (db m32618) HM

8 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1775 — Transportation Walk —

Near 3rd Street Southeast north of Tingey Street Southeast, on the right when traveling north.

America's First Submarine, the Turtle, is built by David Bushnell to break the British blockade of New York. The driver uses a hand driven propeller to move it beneath its target. — — Map (db m112730) HM

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9 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1775 — Transportation Walk —

Near 3rd Street Southeast north of Tingey Street Southeast, on the right when traveling north.

Daniel Boone follows the Warriors' Path and blazes the Wilderness Road through the Cumberland Gap. From 1775 to 1810, over 200,000 settlers move west through the Gap. — — Map (db m112731) HM

10 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1786 — Elias Hasket Derby —

Near 3rd Street Southeast north of Tingey Street Southeast, on the right.

The first American trading ship arrives at the port of Canton, China. Following the American Revolution, merchant Elias Derby's ships make 45 voyages to new markets in the East Indies and China. — — Map (db m112729) HM

11 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1804-1806 — Meriwether Lewis, William Clark —

Near 4th Street Southeast north of Tingey Street Southeast, on the left when traveling north.

Lewis, Clark and the Corps of Discovery seek the "shortest and most convenient route to the Pacific." Their versatile 55 foot keelboat can be rowed, poled, sailed or pulled up the Missouri River and carry 10 tons of supplies. — — Map (db m112732) HM

12 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1804-1806 — Sacagawea —

Near 4th Street Southeast north of Tingey Street Southeast, on the left when traveling north.

A Shoshone Indian woman, Sacagawea, accompanies Lewis and Clark as an interpreter and enables the expedition to purchase horses. Clark calls her his "pilot" through the Rockies. — — Map (db m112733) HM

13 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1806 — Thomas Jefferson —

Near 4th Street Southeast north of Tingey Street Southeast, on the left when traveling north.

Better roads link the nation and enable people and goods to move inland. In 1806, Thomas Jefferson signs the law authorizing the construction of the first federal highway, the National Road. — — Map (db m112734) HM

14 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1817 — Transportation Walk

Near M Street Southeast east of 4th Street Southeast, on the right when traveling east. Reported unreadable.

Captain Henry M. Shreve designs a shallow hull and high-pressure engine so steamboats can navigate upriver to Western Waters. His Washington makes the round trip between Louisville and New Orleans in 41 days. — — Map (db m112741) HM

15 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1825 — DeWitt Clinton —

On M Street Southeast east of 4th Street Southeast, on the right when traveling east.

The 363-mile Erie Canal, promoted by New York governor Clinton, opens. Settlers move west and the cost to move goods east decreases 90%. New York becomes the busiest port in America. — — Map (db m112743) HM

16 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1827 — Transportation Walk —

Near M Street Southeast east of 4th Street Southeast, on the right when traveling east.

New York City's first public transportation route operates the 12-seat stagecoach Accommodation. By 1832, horses pull metal-wheel street railway cars on metal tracks. — — Map (db m112744) HM

17 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1830 — John B. Jervis —

On M Street Southeast at 4th Street Southeast, on the right when traveling east on M Street Southeast.

Chief engineer Jervis designs the steam engine Experiment for the Mohawk & Hudson Railroad. The first free-swinging four-wheel front truck becomes the standard American design and enables speeds of 80 miles per hour. — — Map (db m112739) HM

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18 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1830 — Transportation Walk —

On M Street Southeast west of 4th Street Southeast, on the right when traveling east.

Peter Cooper races his steam locomotive Tom Thumb against the horse-drawn B&O Railroad. Within a year, the B&O is an all-steam railroad. — — Map (db m112742) HM

19 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1830 / 1899

On M Street Southeast west of 4th Street Southeast, on the right when traveling east. Reported permanently removed.

1830. There are 23 miles of railroad tracks in the United States. 1899. There are 186,000 miles of railroad tracks in the United States. — — Map (db m112750) HM

20 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1830 / 1899 —

On M Street Southeast just east of 3rd Street Southeast, on the right when traveling east.

1830. There are 23 miles of railroad track in the United States. 1899. There are 186,000 miles of railroad track in the United States. — — Map (db m213298) HM

21 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1833 — Joseph Walker —

On M Street Southeast east of 4th Street Southeast, on the right when traveling east.

Trappers gain early knowledge of routes through the West. After years in the mountains, Walker leads the first party overland to the Great Salt Lake and then the Yosemite Valley. — — Map (db m112745) HM

22 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1837 — Transportation Walk —

On M Street Southeast west of 4th Street Southeast, on the right when traveling east.

John Ericsson's steam driven screw propeller is more efficient than the paddle wheel and is still used today. In 1862 he applies this and other improvements to his design of the ironclad Monitor. — — Map (db m112748) HM

23 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1840-1950

On M Street Southeast at 4th Street Southeast, on the right when traveling east on M Street Southeast. Reported permanently removed.

Enslaved and free African-Americans were the primary railroad builders in the South before and after the Civil War. For generations, railroad companies employed more African-Americans than any other industry in the U.S. — — Map (db m112740) HM

24 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1840-1950 —

On M Street Southeast just west of 4th Street Southeast, on the right when traveling east.

Enslaved African Americans and free Blacks were the primary railroad builders in the antebellum South before and after the Civil War. Railroad companies employed more Blacks than any other industry. — — Map (db m170381) HM

25 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1859 —

On Potomac Avenue Southeast east of South Capitol Street Southeast, on the right when traveling west.

The Nationals Baseball Club of Washington, D.C. is founded by a group, including government clerks, only 13 years after the first rules of the game were established. — — Map (db m114053) HM

26 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1860 — Johnny Fry —

On M Street Southeast west of 4th Street Southeast, on the right when traveling east.

For 19 months, until the telegraph replaced it, the Pony Express provides the fastest mail service to California. Fry rides the first leg in and out of St. Joseph, Missouri. The mail reaches Sacramento in 10 days. — — Map (db m112747) HM

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27 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1865-1869

On M Street Southeast at 4th Street Southeast, on the right when traveling east on M Street Southeast. Reported permanently removed.

Chinese were hired to do the dangerous work of blasting and laying ties over the treacherous High Sierras. Comprising nearly 80% of Central Pacific's workforce, their contributions made possible the Transcontinental Railroad. — — Map (db m112738) HM

28 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1865-1869 —

On M Street Southeast at 4th Street Southeast, on the right when traveling east on M Street Southeast.

Chinese and Irish immigrants built about 2,000 miles of track. The 12,000 Chinese were nearly 80% of Central Pacific's workforce. Their hard work and ingenuity to tunnel through the Sierras made possible the Transcontinental Railroad. — — Map (db m170380) HM

29 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1869 — Theodore Judah

On M Street Southeast west of 4th Street Southeast, on the right when traveling east. Reported permanently removed.

Theodore Judah's lobbying and surveying efforts are rewarded when the Union Pacific and Central Pacific railroads are joined at Promontory Summit, Utah Territory. — — Map (db m112749) HM

30 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1869 — Theodore Judah —

On M Street Southeast just east of 3rd Street Southeast, on the right when traveling east.

Theodore Judah's lobbying and surveying efforts are rewarded when the Union Pacific and Central Pacific railroads are joined at Promontory Point, Utah. — — Map (db m170383) HM

31 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1873 — Transportation Walk —

On M Street Southeast west of 4th Street Southeast, on the right when traveling east.

At 4 in the morning, Andrew Smith Hallidie successfully tests the cable car in San Francisco, the first to be put in regular service. Moving cables pull the cars up and down steep hills. — — Map (db m112753) HM

32 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1886 — Transportation Walk —

On M Street Southeast west of 4th Street Southeast, on the right when traveling east.

The first successful electric trolley is established in Montgomery, Alabama. Rapidly adopted, trolleys enable the upper middle class to move to the suburbs. Today, some American cities are choosing fast, clean and commercial light rail systems. — — Map (db m112751) HM

33 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1891 — Transportation Walk —

On M Street Southeast west of 4th Street Southeast, on the right when traveling east.

Many inventors apply their skills to horseless carriages. John Lamberi produces America's first gasoline powered car. Only later will cars be mass-produced. — — Map (db m112755) HM

34 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1895 — J. Frank Duryea —

On M Street Southeast east of 3rd Street Southeast, on the right when traveling east.

J. Frank Duryea wins the first auto race in America. He and his brother found the first company in America to sell gas-powered cars. — — Map (db m112752) HM

35 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1897 — 25th Infantry Bicycle Corps —

On M Street Southeast west of 4th Street Southeast, on the right when traveling east.

Twenty African-American soldiers cycle 1,400 miles from Ft. Missoula, Montana to St. Louis, Missouri in 40 days to test the new "safety" bicycle as a transportation alternative to the horse. — — Map (db m112754) HM

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36 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1898 — John Holland —

On M Street Southeast west of 4th Street Southeast, on the right when traveling east.

Holland launches the first practical submarine. Purchased by the Navy in 1900 as the USS Holland (SS-1), it uses a gasoline engine on the surface and is battery-powered under water. — — Map (db m112756) HM

37 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1900 / 1920 —

On M Street Southeast at 3rd Street Southeast, on the right when traveling east on M Street Southeast.

1900 Americans own 8,000 cars but there are only 10 miles of concrete paved roads. 1920 Americans own 8 million cars. Roughly 10% or 369,000 miles of roads are surfaced. — — Map (db m112771) HM

38 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1901 — Transportation Walk

On M Street Southeast west of 3rd Street Southeast, on the right when traveling east. Reported unreadable.

Oscar Hedstrom designs the first American-made motorcycle the Indian for the Hendee Manufacturing Co. — — Map (db m112758) HM

39 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1903 — Orville Wright / Wilbur Wright —

On M Street Southeast west of 3rd Street Southeast, on the right when traveling east.

Wilbur becomes interested in mechanical flight in 1896. After experimenting with gliders, he and Orville develop and patent principles of airplane control that are still used today. — — Map (db m112759) HM

40 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1903 — Transportation Walk —

On M Street Southeast west of 3rd Street Southeast, on the right when traveling east.

Orville Wright pilots the first powered flight, lasting 12 seconds. The heavier-than-air plane takes off from the ground, flies 120 feet, and reaches an altitude of 10 feet. He and his brother Wilbur each make two flights that day. — — Map (db m112760) HM

41 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1908 — Elmer Sperry —

On M Street Southeast west of 3rd Street Southeast, on the right when traveling east.

Sperry develops a gyrostabilizer then gyrocompass, then the gyroscopic-guided automatic pilot, which keeps ships, airplanes, and now spacecraft on course. — — Map (db m112761) HM

42 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1910 —

On Potomac Avenue Southeast east of South Capitol Street Southeast, on the right when traveling west.

President William Howard Taft becomes the first President to throw out the "ceremonial" first pitch to a major league game in Washington, D.C. — — Map (db m114052) HM

43 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1911 — Charles Kettering —

On M Street Southeast west of 3rd Street Southeast, on the right when traveling east.

Kettering perfects a workable electric starter at his lab in Dayton. First installed in 1912 Cadillacs, it means the end of difficult and dangerous hand cranking; and enables more women to drive. — — Map (db m112768) HM

44 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1911 — Harriet Quimby —

On M Street Southeast at 2nd Place Southeast, on the right when traveling east on M Street Southeast.

Journalist Quimby becomes the first American woman to receive a pilot's license, and also the first woman to make a nighttime flight and fly the English Channel. — — Map (db m112770) HM

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45 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1913 — Transportation Walk

On M Street Southeast west of 3rd Street Southeast, on the right when traveling east. Reported unreadable.

While Mercedes have been made since 1908, Ford initiates mass production of cars the Model T rolls off the new assembly line. The line's efficiency will make cars affordable to working people. — — Map (db m131715) HM

46 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1919 — Transportation Walk —

On M Street Southeast at 2nd Place Southeast on M Street Southeast.

Alexander Graham Bell and Casey Baldwin experiment on a boat that runs above water on wing-like structures called hydrofoils. Model HD-4 sets a water speed record of 70 mph. — — Map (db m112769) HM

47 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1922 — Transportation Walk —

On M Street Southeast west of 2nd Place Southeast, on the right when traveling east.

William and Frank Fageol manufacture the Safety Coach, the first purpose-built bus, for inter-city travel. In 1927, their Twin Coach, the first dual-motored streetcar type urban transit bus, uses the whole length to carry passengers. — — Map (db m112773) HM

48 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1923 — Garrett Morgan —

On M Street Southeast west of 2nd Place Southeast, on the right when traveling east.

Morgan is granted the first US patent for a traffic signal to regulate vehicles and pedestrians in urban areas. The inexpensive, manually operated devise is used throughout North America. — — Map (db m112772) HM

49 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1924 —

On Potomac Avenue Southeast east of South Capitol Street Southeast, on the right when traveling west.

The Washington Senators defeat the New York Giants to win the World Series for the first and only time in the history of the franchise. — — Map (db m114051) HM

50 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1925 — Transportation Walk —

Near M Street Southeast west of 2nd Place Southeast, on the right when traveling east.

When planes are unable to fly, dogs still get through. Twenty dog drivers participate in the Serum Run, a relay which brings diphtheria serum to affected Alaskan villages. — — Map (db m112776) HM

51 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1926 — Robert Goddard —

On M Street Southeast west of 2nd Place Southeast.

Among his many firsts, pioneer of space flight Robert Goddard constructs and launches the first liquid fuel rocket. — — Map (db m112774) HM

52 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1927 — Charles Lindbergh —

On M Street Southeast west of 2nd Place Southeast, on the right when traveling east.

Lindbergh makes the first non-stop, solo transatlantic flight. It takes 33 hours and 30 minutes in the specially built Spirit of St. Louis. He wins the $25,000 Orteig prize. — — Map (db m112775) HM

53 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1932 — Amelia Earhart —

On M Street Southeast west of 2nd Place Southeast, on the right when traveling east.

On the fifth anniversary of Lindbergh's flight, Earhart becomes the first woman and second person to make the solo flight across the Atlantic. Her Vega lands in Ireland after 14 hours 50 minutes. — — Map (db m112777) HM

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54 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1932 — Transportation Walk

On M Street Southeast east of New Jersey Avenue Southeast, on the right when traveling east. Reported unreadable.

Viktor Eckengest longest designs a cab over engine back. Trucks can carry more cargo despite length limitations and the engine is more accessible for servicing. — — Map (db m131717) HM

55 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1937 — A. Phillip Randolph —

On M Street Southeast east of New Jersey Avenue Southeast, on the right when traveling east.

Pullman porters make the trip comfortable for long distance train travelers. Randolph organizes the Brotherhood of Sleeping Car Porters in 1925 and wins its first major contract with the Pullman Company in 1937. — — Map (db m112943) HM

56 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1937 —

Near Potomac Avenue Southeast east of South Capitol Street Southeast, on the right when traveling west.

Washington hosts its first Major League All Star Game. The city would also host All Star Games in 1956, 1962, and 1969. — — Map (db m114050) HM

57 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1947 — Chuck Yeager —

Near New Jersey Avenue Southeast north of Tingey Street Southeast, on the right when traveling north.

Test pilot Capt. Chuck Yeager flies the Bell X-1 jet Glamorous Glennis at Mach 1.06, the first time a plane exceeds the speed of sound. — — Map (db m131690) HM

58 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1948 —

Near Potomac Avenue Southeast east of South Capitol Street Southeast, on the right when traveling west.

The Homestead Grays win the last of 9 Negro National League Titles during their heyday in Washington, D.C. — — Map (db m114049) HM

59 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1956 — Transportation Walk —

Near Tingey Street Southeast east of New Jersey Avenue Southeast, on the left when traveling east.

The first containerized shipment travels from Newark, New Jersey to Houston, Texas. Loading full trailer bodies onto ships rather than loading and unloading the cargo revolutionizes shipping. — — Map (db m112716) HM

60 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1956 — Dwight Eisenhower —

Near Tingey Street Southeast east of New Jersey Avenue Southeast, on the left when traveling east.

President Eisenhower signs bills authorizing the National System of Interstate and Defense Highways. 42,500 miles of new high-speed limited access highways create a nationwide transportation network. — — Map (db m113623) HM

61 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1956 — Gladys B. West —

On Tingey Street Southeast east of New Jersey Avenue Southeast, on the right when traveling west.

Dr. Gladys B. West paved the way for the Global Positioning System (GPS) that has revolutionized global society. She is a pioneer in the use of complex mathematical programming to generate accurate models of the earth's shape. Dr. . . . — — Map (db m213297) HM

62 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1958 — Transportation Walk —

Near New Jersey Avenue Southeast north of Tingey Street Southeast, on the right when traveling north.

The Boeing 707 enters commercial service and an era of increased passenger travel begins. It is the first jet aircraft to provide commercial service carrying over 180 passengers. — — Map (db m112717) HM

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63 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1960 / 2000 —

Near Tingey Street Southeast east of New Jersey Avenue Southeast, on the left when traveling east.

1960. Americans own over 61 million cars. There are 1,230,000 miles of paved roads. 2000. More than 130 million cars are registered. There are over 2,500,000 miles of paved roads. — — Map (db m113624) HM

64 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1961 —

On Potomac Avenue Southeast east of South Capitol Street Southeast, on the right when traveling west.

The original Senators move to Minneapolis to become the Twins, and Washington, D.C. is granted an expansion team. In 1962, the new Senators begin play at D.C. Stadium. — — Map (db m114048) HM

65 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1962 — John Glenn, Jr. —

Near Tingey Street Southeast east of New Jersey Avenue Southeast, on the right when traveling west.

John Glenn. Jr. makes three orbits of earth during America's first manned orbit of space flight in the Mercury Atlas 6 Friendship 7. — — Map (db m113621) HM

66 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1966 — Transportation Walk —

Near New Jersey Avenue Southeast north of Tingey Street Southeast, on the right when traveling north.

Pan Am's Juan Trippe works with Boeing to develop the wide-body 747. Jumbo jets like the 747 can carry up to 490 passengers and reduce the cost of long distance travel. — — Map (db m112720) HM

67 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1969 — Transportation Walk —

Near New Jersey Avenue Southeast near Tingey Street Southeast, on the right when traveling north.

Neil Armstrong commands the Apollo 11 and becomes the first man to land a craft and walk on the moon. — — Map (db m112721) HM

68 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1970 / 2000 —

Near Tingey Street Southeast east of New Jersey Avenue Southeast, on the right when traveling west.

1970. Airlines carry 172 million passengers in the United States. 2000. Airlines carry almost 615 million passengers in the United States. — — Map (db m113622) HM

69 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1971 —

On Potomac Avenue Southeast east of South Capitol Street Southeast, on the right when traveling west.

The final game in Washington ends in a forfeit win for the Yankees when fans storm the field. For over three decades the Nation's Capital is without a major league team. — — Map (db m114047) HM

70 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1972-1978 — Ivan Getting, Bradford Parkinson —

Near Tingey Street Southeast east of New Jersey Avenue Southeast, on the right when traveling west.

Getting and Parkinson devise the Global Positioning System. It uses satellite signals, control stations and GPS receivers to pinpoint location in consumer cars and boats as well as commercial and military craft. — — Map (db m113619) HM

71 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1977 — Paul MacCready —

Near Tingey Street Southeast east of New Jersey Avenue Southeast, on the right when traveling west.

His 70 pound Gossamer Condor, powered by cyclist Bryan Allen maneuvers a figure eight on a closed course and stays aloft for 7 minutes, 2.7 seconds, winning the $95,000 Kremer Prize. — — Map (db m113620) HM

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72 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1983 — Sally Ride —

On Tingey Street Southeast east of New Jersey Avenue Southeast, on the right when traveling east.

Dr. Ride, the first American woman in space, takes part in the 7th Space Shuttle mission. The reusable spacecraft carry out 113 missions between 1983 and 2003. — — Map (db m113618) HM

73 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 3 — 200 I — Then & Now — Capitol Riverfront

On 2nd Street Southeast just north of M Street Southeast, on the right when traveling north. Reported permanently removed.

Once a paper warehouse and printing facility for The Washington Post, 200 I Street also served as a "tech hotel" before it was ultimately repurposed as a Class A office space that houses four DC Government agencies. The renovation and . . . — — Map (db m141559) HM

74 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 2003 — Transportation Walk

Near Tingey Street Southeast east of New Jersey Avenue Southeast, on the right when traveling west. Reported damaged.

Dean Kamen introduces the battery operated self-balancing Segway Human Transporter. It carries people and small cargo 12 mph over a variety of terrains. — — Map (db m221971) HM

75 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 2004 — Burt Rutan / Michael W. Melvill / Brian Binnie —

Near Tingey Street Southeast east of New Jersey Avenue Southeast, on the right when traveling west.

The SpaceShipOne rocket and glider reaches a record altitude of 368,000 feet. Its second flight in two weeks wins it the $10 million Ansari X-Prize offered to inspire private development of manned space flight. — — Map (db m113617) HM

76 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 2005 —

Near Potomac Avenue Southeast east of South Capitol Street Southeast, on the left when traveling east.

Baseball returns to Washington, D.C. after a 33-year absence as the new Washington Nationals franchise hosts the Arizona Diamondbacks in their home opener on April 14th. — — Map (db m114046) HM

77 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 2005 — Transportation Walk

Near Tingey Street Southeast just west of 3rd Street Southeast, on the left when traveling east. Reported damaged.

Alternative fuel vehicle device options for clean fuel and energy independence. This includes solar cars, electric cars and busses, and gas and electric hybrids. — — Map (db m180185) HM

78 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 5 — 909 Capitol Yards — Then & Now — Capitol Riverfront

On 2nd Street Southeast just north of M Street Southeast, on the right when traveling north. Reported permanently removed.

909 Capitol Yards is one of three residential apartment buildings constructed in Capitol Riverfront by developer JPI. The 237-unit building opened in 2011 on New Jersey Avenue, an area of the neighborhood populated by low commercial building, auto . . . — — Map (db m141565) HM

79 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 12 — 99M — Then & Now — Capitol Riverfront

On Water Street Southeast west of 4th Street Southeast, on the left when traveling west. Reported permanently removed.

The parcel of land on which 99M—a 220,000 square-feet LEED Platinum Class A Office building—is set was once the site of Normandie Liquors. According to JDLand.com, Normandie Liquors "seemed to become a symbol of old versus new" in the neighborhood, . . . — — Map (db m141572) HM

80 ► District of Columbia, Washington, Southeast Washington, Navy Yard — A Walk on the Canal —

On 2nd Street Southeast at I Street Southeast on 2nd Street Southeast.

You are standing on the site of the Washington City Canal. From 1815 to about 1880, the three blocks of Canal Park were part of an innovative, man-made waterways linking the Potomac River to the Eastern Branch of the Anacostia River. In . . . — — Map (db m113630) HM

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81 ► District of Columbia, Washington, Southeast Washington, Navy Yard — American League Pennant / All-Star Game / Baseball in the Civil War / First Printing — Baseball Americana —

Near South Capitol Street Southeast at Potomac Avenue Southeast, on the right when traveling north.

American League Pennant. As the defending world champions, Washington players raise the pennant early in the season prior to defeating the Philadelphia Athletics, 9-4. National Photo Company. Griffith Stadium, Washington, D.C., May 1, 1925. . . . — — Map (db m192569) HM

82 ► District of Columbia, Washington, Southeast Washington, Navy Yard — An Anacostia River That's Clean Doesn't Have to be a Dream —

On Anacostia Riverwalk Trail east of 1st Street Southeast, on the right when traveling east.

When litter's on the ground, and the rain falls down, it ends up in the Anacostia River. So when you take your last drag, or you just have a bag, please do your part and don't litter. Earth Conservation Corps • Youth development . . . — — Map (db m114117) HM

83 ► District of Columbia, Washington, Southeast Washington, Navy Yard — April 1, 1967 — Transportation Walk

Near New Jersey Avenue Southeast north of Tingey Street Southeast, on the right when traveling north. Reported unreadable.

"In a nation that spans a continent, transportation is a web of union."—Lyndon B. Johnson on the new Department of Transportation begins operations. It oversees how transportation affects safety, property, economic growth, trade, the . . . — — Map (db m112719) HM

84 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Arch Bridge — Transportation Walk —

On Tingey Street Southeast at 3rd Street Southeast, on the right when traveling west on Tingey Street Southeast.

One of the strongest bridge types, the arch bridge was used extensively by the Romans. The arch carries the weight of the roadway and vehicular traffic to supports at each end. — — Map (db m113615) HM

85 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 16 — Audi Field — Then & Now — Capitol Riverfront

Near Water Street Southeast west of 4th Street Southeast, on the left when traveling west. Reported permanently removed.

Opened in July 2018, Audi Field is the home for the D.C. United professional soccer team. Located in Buzzard Point of Capitol Riverfront, Audi Field was a public-private partnership between the District Government and the ownership of D.C. United to . . . — — Map (db m141578) HM

86 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Baseball Americana — Play Ball! —

Near South Capitol Street Southeast at Potomac Avenue Southeast, on the right when traveling north.

America and baseball grew up together, a democratic sport for a democratic nation. Transcending class and gender, the game is embedded in our history and consciousness like no other. The Library of Congress — the largest library in the world . . . — — Map (db m179717) HM

87 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Boiler House —

On Water Street Southeast just east of 4th Street Southeast, on the left when traveling east.

Building 116 was part of the combined boiler and Power Plant that serves the Washington Navy Yard and Annex. The Building is significant as part of the industrial complex, and represents the physical expansion of the yard that followed the . . . — — Map (db m141569) HM

88 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Cable Stayed Bridge — Transportation Walk —

Near Tingey Street Southeast at 3rd Street Southeast, on the right when traveling west.

The cables connect structure supporting the roadway and traffic to the tower, stiffening or staying the bridge and enabling the tower to carry the required load. — — Map (db m113616) HM

89 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 1 — Canal Park — Then & Now — Capitol Riverfront

On 2nd Street Southeast just north of M Street Southeast, on the right when traveling north. Reported permanently removed.

Built on the site of the historic Washington Canal, Canal Park is three blocks of vibrant urban space with seasonal ice skating, interactive water fountains, and larger-than-life sculptures. Historically, the park draws its name from the Washington . . . — — Map (db m141549) HM

90 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Cantilever Bridge — Transportation Walk —

Near New Jersey Avenue Southeast north of Tingey Street Southeast, on the right when traveling north.

Cantilever bridges carry heavy loads. The structure is built out symmetrically from each pier. The landward side is anchored and the other side may support an intermediate truss or be joined to the next cantilever. — — Map (db m112781) HM

91 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 2 — Capitol Quarter — Then & Now — Capitol Riverfront

On 2nd Street Southeast just north of M Street Southeast, on the right when traveling north. Reported permanently removed.

Constructed by EYA in partnership with the DC Housing Authority, these 327 townhomes are part of the rebuild of the Arthur Capper Carrollsburg public housing complex. The earlier 707 housing units were demolished in 2005 and these homes are a blend . . . — — Map (db m141554) HM

92 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Clean Rivers Project — Water Is Life —

On Anacostia Riverwalk Trail east of 1st Street Southeast, on the right when traveling west.

Recycling Rain Rain is good for rivers, right? Not always. When heavy rains overwhelm storm drains, rainwater mixes with sewage, and the heavily polluted result—called Combined Sewer Overflows (CSOs)—winds up in Rock Creek,, the . . . — — Map (db m114113)

93 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Covered Wagon Wheels — Transportation Walk —

On M Street Southeast west of 4th Street Southeast, on the right when traveling east.

From the 1840s to the 1860s, settlers and gold rushers walk overland trails 15 to 20 miles a day beside covered ox-drawn wagons carrying up to 2500 lbs. of household goods and supplies. — — Map (db m113612) HM

94 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Crane Runway —

On Water Street Southeast near 4th Street Southeast, on the left when traveling east.

The ability to move large machinery was essential to assembly and manufacturing at the Naval Gun Factory, and crane systems were both inside buildings and across outdoor spaces of the yard to coordinate numerous manufacturing efforts. They . . . — — Map (db m113797) HM

95 ► District of Columbia, Washington, Southeast Washington, Navy Yard — 15 — Dock 79 — Then & Now — Capitol Riverfront

Near Water Street Southeast west of 4th Street Southeast, on the left when traveling west. Reported permanently removed.

Voted by DC residents as Best Apartment Building in Washington City Paper's 2018 "Best of DC" poll, Dock 79 sits on once-neglected riverfront land that was used by land owner Florida Rock Properties for concrete mixing and gravel storage. Florida . . . — — Map (db m141575) HM

96 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Dudley Knox Center for Naval History — Dudley Wright Knox, Commodore, USN — 1877-1960 —

On Kidder Breese Street Southeast near Dahlgren Avenue Southeast.

Dudley W. Knox, an 1896 graduate of the Naval Academy, had numerous tours afloat during the first twenty-five years of his career, including service in the first of the Navy's destroyers. He later played an important role in developing tactics and . . . — — Map (db m52235) HM

97 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Expanding Gate Valve —

Near Tingey Street Southeast west of 4th Street Southeast, on the right when traveling west.

Pipeline and Hazardous Materials Safety Administration To advance the safe transportation of energy and other hazardous materials Expanding Gate Valve Utilized on a filter skid in a liquid petroleum gas system in Texas City, Texas . . . — — Map (db m112726) HM

98 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Flight Path —

On New Jersey Avenue Southeast just north of Tingey Street Southeast, on the right when traveling north.

Look up, and every few seconds you'll see a plane taking off or landing from Washington Reagan National Airport, as they have since the 1940s. Due to its shorter runway, the airport is limited to smaller jet planes like 737s and 757s. — — Map (db m146987) HM

99 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Foundry —

On Water Street Southeast near 3rd Street Southeast, on the right when traveling west.

The Foundry was critical to the mission of the National Gun Factory and consisted of the Steel Foundry, Brass Foundry, Brass Casting Cleaning Shop, and Smelting Plant. Constructed in 1913, the Steel Foundry was the largest of the structures and . . . — — Map (db m113792) HM

100 ► District of Columbia, Washington, Southeast Washington, Navy Yard — Four Bicycles and a Three-Wheeler —

Near Tingey Street Southeast west of 4th Street Southeast, on the right when traveling west.

Marked, designated bike lanes on streets in most major cities, in suburbs and towns, are a response to increased cycling for fun, fitness and convenient, fuel-saving commuting. — — Map (db m112722) HM

193 entries matched your criteria. The first 100 are listed above. The final 93 ⊳