Upper Marlboro is the county seat for Prince George's County
Clinton is in Prince George's County
Prince George's County(644) ► ADJACENT TO PRINCE GEORGE'S COUNTY Anne Arundel County(468) ► Calvert County(153) ► Charles County(150) ► Howard County(143) ► Montgomery County(751) ► Washington, D.C.(2607) ► Alexandria, Virginia(378) ► Fairfax County, Virginia(709) ►
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Erected by friends and relatives of Reverend Father Horstkamp to commemorate the tragic death of his mother Mary Eve Horstkamp on August 28, 1931. — — Map (db m6235) HM
Name derives from 7000-acre grant by Lord Baltimore in 1703. Although present house, known as Poplar Hill for many years, may date from latter part of 18th century, it was believed built c. 1728 for Anne Talbot, niece of 14th Earl of Shrewsbury upon . . . — — Map (db m72052) HM
The assassin of Lincoln stopped here at the house of Mrs. Surratt to secure ammunition on the night of April 14, 1865. He rode on to "T.B." and then to Dr. Mudd's who set his broken leg. — — Map (db m3612) HM
Divided loyalties and ironies tore at Marylanders’ hearts throughout the Civil War: enslaved African-Americans and free United States Colored Troops; spies and smugglers; civilians imprisoned without trial to protect freedom; neighbors and families . . . — — Map (db m60164) HM
Miocene Period (20-10 Million Years Ago)
You are standing on an ancient seabed. During the Miocene period. 20 to 10 million years ago, all of Southern Maryland was a warm shallow ocean called the Miocene Sea that reached as far north as . . . — — Map (db m199450) HM
The brick portion of this building, probably constructed in the early 1800s, is believed to have served as an infirmary for the enslaved population. Here, African-American women often served as midwives and healers, delivering babies or attending to . . . — — Map (db m4166) HM
Owned and operated by the ardently pro-Southern Surratt family, this building was used by Confederate agents as a safe house during the Civil War. Built in 1852, the structure was a tavern, hostelry and post office.
Surratt's son, John, Jr., a . . . — — Map (db m4188) HM
Owned and operated by the ardently pro-Southern Surratt family, this building was used by Confederate agents as a safe house during the Civil War. Built in 1852, the structure was a tavern, hostelry, and post office.
Surratt's son, John, . . . — — Map (db m154461) HM
Built in 1852 for the family of John and Mary Surratt. Restored in 1975 in recognition of the buildings national historical significance relating to the assassination of President Abraham Lincoln. — — Map (db m141912) HM
One of the oldest surviving one-room schoolhouses in Prince George’s County, Thrift School was built in 1884. It replaced an earlier school from 1869 located on the same site. The School Commissioners, having acquired the one-acre tract from the . . . — — Map (db m6084) HM