Adams National Historical Park
African Burial Ground National Monument
USDA Forest Service
Near Tionesta, Pennsylvania
Arlington House, The Robert E. Lee Memorial
Gateway National Recreation Area
Carter G. Woodson Home National Historic Site
Near Washington, District of Columbia
Eleanor Roosevelt National Historic Site
Near Hyde Park, New York
Federal Hall National Memorial
National Park Service
Near Shirley, New York
Frederick Douglass National Historic Site
Near Washington, District of Columbia
Gateway National Recreation Area
Near Atlantic Highlands, New Jersey
General Grant National Memorial
Governors Island National Monument
USDA Forest Service
Near Burdett, New York
Hamilton Grange National Memorial
Home Of Franklin D Roosevelt National Historic Site
Near Hyde Park, New York
Independence National Historical Park
Near Philadelphia, Pennsylvania
Gateway National Recreation Area
Lowell National Historical Park
Marsh - Billings - Rockefeller National Historical Park
Minute Man National Historical Park
Near Lincoln, Massachusetts
USDA Forest Service
Near Huttonsville, West Virginia
Mount Morris Dam and Recreation Area
National Archives and Records Administration
Near Washington, District of Columbia
The White House and President's Park
Near Washington, District of Columbia
Shenandoah National Park
Shenandoah National Park
Near Luray, Virginia
Sagamore Hill National Historic Site
Near Oyster Bay, New York
Saint Paul's Church National Historic Site
Gateway National Recreation Area
Near Sea Bright, New Jersey
National Park Service
Near Elkton, Virginia
Steamtown National Historic Site
The White House and President's Park
Near Washington, District of Columbia
Thomas Edison National Historical Park
Vanderbilt Mansion National Historic Site
Near Hyde Park, New York
National Mall and Memorial Parks
Near Washington, District of Columbia
USDA Forest Service
Near Campton, New Hampshire
National Park Service
Near Quincy, Massachusetts
Catoctin Mountain Park
Near Sabillasville, Maryland
National Park Service
Near New York, New York
Raystown Lake
Near James Creek, Pennsylvania
Delaware Water Gap National Recreation Area
Near East Stroudsburg, Pennsylvania
Chesapeake & Ohio Canal National Historical Park
Near Sharpsburg, Maryland
National Park Service
Near Sharpsburg, Maryland
National Park Service
Near Fort Myer, Virginia
White Mountain National Forest
Near Gorham, New Hampshire
White Mountain National Forest
Near Center Conway, New Hampshire
Monongahela National Forest
Near Cabins, West Virginia
White Mountain National Forest
Near Jackson, New Hampshire
Blue Marsh Lake
Near Reading, Pennsylvania
Allegheny National Forest
Near Irvine, Pennsylvania
Buffumville Lake
Near Charlton, Massachusetts
Burnsville Lake
Near Napier, West Virginia
Burnsville Lake
Near Napier, West Virginia
Loyalhanna Lake
Near Saltsburg, Pennsylvania
Green Mountain & Finger Lakes National Forests
Near Burdett, New York
Sutton Lake
Near Sutton, West Virginia
US Army Corps of Engineers
Near Jamaica, Vermont
US Army Corps of Engineers
Near Barre, Massachusetts
Sutton Lake
Shenandoah National Park
Near Stanley, Virginia
White Mountain National Forest
Near Lincoln, New Hampshire
Fish and Wildlife Service
Near Cambridge, Maryland
Blackwater National Wildlife Refuge
Near Cambridge, Maryland
Blackwater National Wildlife Refuge
Near Cambridge, Maryland
US Army Corps of Engineers
Near Bernville, Pennsylvania
Green Mountain & Finger Lakes National Forests
Near Burdett, New York
Fish and Wildlife Service
Near Smyrna, Delaware
George Washington & Jefferson National Forest
Near Brandywine, West Virginia
US Army Corps of Engineers
Near Charlton, Massachusetts
US Army Corps of Engineers
Near Orlando, West Virginia
Loyalhanna Lake
Near Saltsburg, Pennsylvania
Gateway National Recreation Area
Near Highlands, New Jersey
Gateway National Recreation Area
Near New York, New York
Gateway National Recreation Area
Near New York, New York
Catoctin Mountain Park
Near Thurmont, Maryland
Catoctin Mountain Park
Near Thurmont, Maryland
White Mountain National Forest
Near Thornton, New Hampshire
Green Mountain & Finger Lakes National Forests
Near Chittenden, Vermont
White Mountain National Forest
Near Center Conway, New Hampshire
Conemaugh River Lake
Near Clarksburg, Pennsylvania
White Mountain National Forest
Near Conway, New Hampshire
Prince William Forest Park
Near Triangle, Virginia
George Washington & Jefferson National Forest
Near Fort Valley, Virginia
Chesapeake & Ohio Canal National Historical Park
Near Potomac, Maryland
National Park Service
Near Washington, District of Columbia
National Park Service
Near Sabillasville, Maryland
National Park Service
Near Potomac, Maryland
Prince William Forest Park
Near Triangle, Virginia
US Army Corps of Engineers
Near Clarksburg, Pennsylvania
Raystown Lake
Near Huntingdon, Pennsylvania
US Army Corps of Engineers
Near Lawrenceville, Pennsylvania
Crooked Creek Lake
Near Ford City, Pennsylvania
Crooked Creek Lake
Near Ford City, Pennsylvania
US Army Corps of Engineers
Near Ford City, Pennsylvania
Allegheny National Forest
Near Warren, Pennsylvania
White Mountain National Forest
Near Gorham, New Hampshire
White Mountain National Forest
Near Gorham, New Hampshire
White Mountain National Forest
Near Jackson, New Hampshire
Crooked Creek Lake
Near Ford City, Pennsylvania