101 ► Arizona, Pima County, Tucson, Saguaro National Park — World of the Wash — Saguaro National Park —

On North Kinney Road.

102 ► Arizona, Yavapai County, Montezuma Castle National Monument — Lifeline / Prehistoric Produce —

103 ► Arizona, Yavapai County, Prescott — Our Creeks are Alive! —

On South Cortez Street just north of West Goodwin Street, on the left when traveling north.

104 ► Arizona, Yavapai County, Sedona — Early Tourism — Historic Sedona —

Near N Hwy 89A.

105 ► Arizona, Yuma County, Yuma — Yuma East Wetlands — 20th Century —

Near Prison Hill Road, 0.5 miles north of Harold C. Giss Parkway.

106 ► Arizona, Yuma County, Yuma — Yuma East Wetlands Today — A Return to Balance —

Near Prison Hill Road, 0.5 miles north of Harold C. Giss Parkway.

107 ► Arkansas, Carroll County, Eureka Springs — 18 — Civil War Healing —

On Main Street (State Highway 23) south of Spring Street, on the right when traveling south.

108 ► Arkansas, Carroll County, Eureka Springs — Eureka Springs Historical Museum — Established 1971 in Calif House —

On Main Street (State Highway 23) at Armstrong, on the left when traveling north on Main Street.

109 ► Arkansas, Carroll County, Eureka Springs — The Basin Park Sycamore —

On Spring Street north of Main Street (Arkansas Highway 23), on the left when traveling north.

110 ► Arkansas, Carroll County, Eureka Springs — The Civic Center — South Main —

On Main Street (State Highway 23) north of Benton Street, on the left when traveling south.

111 ► Arkansas, Carroll County, Eureka Springs — The Town that Water Built — North Main —

On Main Street (State Highway 23) 0.1 miles north of Magnetic Drive, on the left when traveling north.

112 ► Arkansas, Conway County, Winrock — Geology of Cedar Creek Falls Overlook —

Near Petit Jean Mountain Road.

113 ► Arkansas, Conway County, Winrock — Palisades Overlook: Your Gateway to the West —

On Petit Jean Mountain Road (State Highway 154) just west of State Highway 155, on the right when traveling west.

114 ► Arkansas, Conway County, Winrock — The Ever-Changing Landscape —

On Petit Jean Mountain Road, on the right when traveling west.

115 ► Arkansas, Conway County, Winrock — Two Dominant Fossils of the Area —

Near Petit Jean Mountain Road.

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116 ► Arkansas, Garland County, Hot Springs — Peak Trail —

On Grand Promenade Trail, 0.2 miles south of Fountain Street, on the right when traveling south.

117 ► Arkansas, Monroe County, Holly Grove — Life in the Swamp — Louisiana Purchase Historic State Park —

Near State Highway 362, 1.8 miles east of U.S. 49.

118 ► Arkansas, Monroe County, Holly Grove — Louisiana Purchase State Park — Louisiana Purchase Historic State Park —

Near State Highway 362, 1.8 miles east of U.S. 49.

119 ► Arkansas, Monroe County, Holly Grove — The Swamp — Louisiana Purchase Historic State Park —

Near State Highway 362, 1.8 miles east of U.S. 49.

120 ► Arkansas, Phillips County, Helena — Does the river ever flood? —

On Elm Street.

121 ► Arkansas, Phillips County, Helena — River Birds —

On Elm Street.

122 ► Arkansas, Phillips County, Helena — The Helena Bridge —

On Elm Street.

123 ► Arkansas, Phillips County, Helena — The river connects communities —

On Elm Street.

124 ► Arkansas, Phillips County, Helena — What is a bottled hardwood forest? —

On Perry Street.

125 ► Arkansas, Phillips County, Helena — What is the impact of stormwater on the Mississippi? —

On Perry Street.

126 ► Arkansas, Washington County, Fayetteville — Evolution of Fayetteville —

On Center Street at East Avenue, on the left when traveling west on Center Street.

127 ► California, Alameda County, Alameda — An Era of Dramatic Change —

Near Alameda Point Shoreline Trail.

128 ► California, Alameda County, Alameda — Elsie B. Roemer Bird Sanctuary —

On Shoreline Drive north of Broadway, on the right when traveling south.

129 ► California, Alameda County, Albany — Albany Waterfront - Nature Transforms — Albany Waterfront Trail — A Portion of the Bay Trail —

Near Buchanan Street.

130 ► California, Alameda County, Albany — Albany Waterfront History (Post-1900) —

On Buchanan Street, on the right when traveling west.

131 ► California, Alameda County, Albany — Albany Waterfront History (Pre-1900) —

On Buchanan Street, on the right when traveling west.

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132 ► California, Alameda County, Berkeley, Berkeley Hills — Indian Rock — Berkeley History —

On Indian Rock Avenue.

133 ► California, Alameda County, Berkeley, Berkeley Hills — La Loma Steps — Circa 1910-1916 —

On Le Roy Avenue at Hawthorne Terrace on Le Roy Avenue.

134 ► California, Alameda County, Berkeley, Berkeley Hills — Thousand Oaks Neighborhood and Urns — Circa 1909-1910 — Mark Daniels, Landscape Engineer —

On San Fernando Avenue at Yosemite Road on San Fernando Avenue.

135 ► California, Alameda County, Berkeley, Claremont — Claremont Public Improvements — John Galen Howard, Architect — 1905 —

On Claremont Avenue at The Uplands on Claremont Avenue.

136 ► California, Alameda County, Berkeley, North Berkeley — Hillside Club — John White, Architect, 1924 — Listed on the National Register of Historic Places —

Near Cedar Street east of Spruce Street, on the right when traveling west.

137 ► California, Alameda County, Berkeley, North Berkeley — Live Oak Park — 1914 — Berkeley History

Near Shattuck Avenue near Berryman Street. Reported permanently removed.

138 ► California, Alameda County, Berkeley, Northside — "Annie's Oak" — City of Berkeley Landmark — Designated in 1986 —

On Leroy Avenue near Ridge Road.

139 ► California, Alameda County, Berkeley, Northside — Daley’s Scenic Park Street Improvenents — Bounded by Le Roy Avenue, La Loma Avenue, La Vereda Road and Hilgard Avenue — The Hillside Club and Town Engineers; 1909 —

On La Loma Avenue at Virginia Street on La Loma Avenue.

140 ► California, Alameda County, Berkeley, Northside — Jensen House — George Jensen, Builder — 1891 —

On La Loma Avenue at Hilgard Avenue on La Loma Avenue.

141 ► California, Alameda County, Hayward — A Salty Experiment in Habitat Management — Eden Landing Ecological Reserve —

On Eden Landing Road near Arden Road, on the left when traveling south.

142 ► California, Alameda County, Hayward — Bay-Friendly Rated Landscapes in the City of Hayward —

On Whitesell Street at Bay Center Place, on the right when traveling south on Whitesell Street.

143 ► California, Alameda County, Hayward — Snowy Plovers Find a Home —

On Eden Landing Trail near Eden Landing Road.

144 ► California, Alameda County, Hayward — Wetland to Salt Pond and Back Again —

Near Eden Landing Road near Eden Landing Road.

145 ► California, Alameda County, Hayward — Who Needs This Habitat The Most? —

Near Eden Landing Trail near Eden Landing Road.

146 ► California, Alameda County, Livermore — Brushy Peak Regional Preserve —

Near Laughlin Ranch Loop south of Laughlin Road, on the right when traveling south.

147 ► California, Alameda County, Oakland — 962 — Site of Blossom Rock Navigation Trees —

Near Skyline Boulevard, 0.5 miles north of Joaquin Miller Road.

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148 ► California, Alameda County, Oakland, Downtown Oakland — Jefferson Square Park —

On Jefferson Street at 7th Street, on the right when traveling south on Jefferson Street.

149 ► California, Alameda County, Oakland, Downtown Oakland — Makkeweks — "Makkeweks" Ohlone/Rumsen for "Sea Monster" —

Near Harrison Street at Lakeside Drive.

150 ► California, Alameda County, Oakland, Joaquin Miller Park — The Creation of a Park —

Near Sanborn Drive near Joaquin Miller Road, on the left when traveling north.

151 ► California, Alameda County, Oakland, Montclair — The Shepherd Canyon Corridor Plan —

Near Montclair Railroad Trail south of Paso Robles Drive.

152 ► California, Alameda County, Pleasanton — Changing Landscape —

Near Old Foothill Road near Foothill Road.

153 ► California, Alameda County, Pleasanton — Gay 90's Pizzeria —

On Main Street at Abbie Street, on the right when traveling north on Main Street.

154 ► California, Alameda County, San Leandro — Of Fins and Flippers — Lake Chabot Historical Walk —

Near Estudillo Avenue.

155 ► California, Alpine County, Bear Valley — Harry Schimke — Pioneer in His Own Time — 1917 – 1995 —

On Immigrant Road.

156 ► California, Alpine County, Markleeville — Reynolds Peak — Elevation 9300 Feet —

On The Ebbetts Pass Scenic Byway (State Highway 4), on the right when traveling east.

157 ► California, Calaveras County, Angels Camp — The Monitor — California Hydraulic Mining —

Near South Main Street/Golden Chain Highway (State Highway 49), on the right when traveling north.

158 ► California, Contra Costa County, Danville — Sentinel Rock Overlook — A Place Where Sandstone Beds Were Turned On End —

Near Rock City Trail.

159 ► California, Contra Costa County, Danville — The Old Oak Tree —

On Diablo Road, on the right when traveling east.

160 ► California, Contra Costa County, El Cerrito — Historic Cerrito Creek —

Near San Francisco Bay Trail / Cerrito Creek Trail.

161 ► California, Contra Costa County, Martinez — From an Accident to a Preserve —

Near Waterbird Way south of Waterfront Road.

162 ► California, Contra Costa County, Oakley — California's Big Water Projects: How Did We Get Here? —

Near Big Break Road.

163 ► California, Contra Costa County, Oakley — Carquinez Strait —

Near Big Break Road.

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164 ► California, Contra Costa County, Oakley — The Migrating Delta —

Near Big Break Road.

165 ► California, Contra Costa County, Oakley — The San Joaquin: A River Runs Dry —

Near Big Break Road.

166 ► California, Contra Costa County, Orinda — A Lost World —

On Wildcat Canyon Road, on the right when traveling west.

167 ► California, Contra Costa County, Orinda, Orinda Community Park — Orinda Village — Did you know a creek runs through it? —

Near Orinda Way south of Irwin Way, on the right when traveling north.

168 ► California, Contra Costa County, Richmond — Where the Deer and the Antelope Play — Anza Expedition of 1776 —

Near Park Avenue.

169 ► California, Del Norte County, Crescent City — National Tribute Grove — 5000 Acres — Largest World War II Memorial in the United States —

170 ► California, Del Norte County, Crescent City — The Metcalf Grove —

On Howland Hill Road, on the left when traveling east.

171 ► California, El Dorado County, Coloma, Marshall Gold Discovery State Historic Park — Hydraulic Mining —

Near Coloma Road (California Route 49) north of Mt Murphy Road.

172 ► California, El Dorado County, South Lake Tahoe — The Old Veteran —

Near California Route 89.

173 ► California, Fresno County, Dunlap — Converse Basin Grove —

On State Highway 180 at Forest Service Road 13S03, on the left when traveling north on State Highway 180.

174 ► California, Humboldt County, Orick — Madison Grant Forest and Elk Refuge — Dedicated to the Memory of Madison Grant — 1865-1937 —

On Newton B. Drury Scenic Parkway, on the left when traveling north.

175 ► California, Humboldt County, Orick — The Forest for the Trees —

Near Newton B. Drury Scenic Parkway, on the right when traveling north.

176 ► California, Humboldt County, Weott — Humboldt Redwoods State Park —

On Avenue of the Giants (California Route 254) at Lum Street, on the right when traveling north on Avenue of the Giants.

177 ► California, Humboldt County, Weott — Laura Perrott Mahan & James P. Mahan — Pioneers in the Save-the-Redwoods League —

Near Avenue of the Giants (State Highway 254) 0.2 miles south of Dyerville Loop Road, on the left when traveling south.

178 ► California, Humboldt County, Weott — The Tangled Roots of Founders Grove —

Near Dyerville Loop Road.

179 ► California, Inyo County, Death Valley National Park, Furnace Creek — Stephen Tyng Mather — July 4, 1867 - Jan. 22, 1930 —

Near Airport Road just west of California Route 190.

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180 ► California, Inyo County, Keeler — Owens Lake Dust Mitigation Program —

On California Route 136, 1 mile north of Keeler, on the left when traveling north.

181 ► California, Inyo County, Lone Pine — Alabama Gates —

Near U.S. 395 at Los Angles Aqueduct Road, on the left when traveling north.

182 ► California, Kern County, Bakersfield — Kern County Begins —

Near Chester Avenue just north of 36th Street, on the left when traveling north.

183 ► California, Kern County, Buttonwillow — Tule Elk State Reserve — A California State Park —

Near Station Road, 0.2 miles west of Morris Road, on the left when traveling west.

184 ► California, Kern County, Tehachapi — Importance of Water and Creation of Brite Lake —

On Green Street at E Street, on the right when traveling north on Green Street.

185 ► California, Kern County, Tehachapi — Why Tehachapi Pass? / Pioneers of the Wind / Hike A Mile or Two - Thousand —

On Cameron Canyon Road, on the right when traveling east.

186 ► California, Kern County, Tehachapi — Wind Energy Industry —

On Green Street, on the right when traveling north.

187 ► California, Lake County, Upper Lake — Clear Lake Habitat —

On State Highway 20 at Reclamation Road, on the left when traveling west on State Highway 20.

188 ► California, Los Angeles County, Avalon — The Legacy of Blanche W — The Flying Fish Boat —

Near Metropole Avenue, 0.1 miles south of Crescent Avenue, on the right when traveling south.

189 ► California, Los Angeles County, Los Angeles, Sunland — Sunland Welcome Nature Garden — Local Biodiversity —

On Sunland Boulevard at Fenwick Street, on the left when traveling east on Sunland Boulevard.

190 ► California, Los Angeles County, Los Angeles, Sylmar — Rim of the Valley Trail — Marge Feinberg — Saddletree Ranch Trailhead —

Near Glenoaks Boulevard north of Foothill Boulevard, on the left when traveling north.

191 ► California, Los Angeles County, Los Angeles, Venice — History of Ballona Lagoon —

On East Jib Street at Jib Street, on the left when traveling south on East Jib Street.

192 ► California, Los Angeles County, Los Angeles, Venice — The Windward Piers — Venice-of-America —

On Windward Avenue west of Ocean Front Walk.

193 ► California, Los Angeles County, Malibu, Eastern Malibu — Malibu Lagoon —

Near Pacific Coast Highway (California Route 1).

194 ► California, Los Angeles County, Pearblossom — The Devil's Punchbowl — Department of Parks & Recreation, County of Los Angeles —

Near County Route N6.

195 ► California, Los Angeles County, Rancho Palos Verdes — Santa Catalina Island —

On Palos Verdes Drive South, 0.2 miles east of Sea Cove Drive, on the right when traveling east.

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196 ► California, Los Angeles County, Santa Monica — La Monica Ballroom —

Near Ocean Avenue at Colorado Avenue.

197 ► California, Los Angeles County, Santa Monica, Wilshire Montana — “Trees of Santa Monica” —

On Ocean Drive south of California Avenue / California Incline, on the right when traveling south.

198 ► California, Marin County, Inverness — Point Reyes Light — Point Reyes National Seashore —

Near Sir Francis Drake Boulevard.

199 ► California, Marin County, Inverness — The Rock Plants — Point Reyes National Seashore —

Near Sir Francis Drake Boulevard.

200 ► California, Marin County, Iverness — Point Reyes Conglomerate — Point Reyes National Seashore —

On Sir Francis Drake Blvd.

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