Assateague Island National Seashore
Near Salisbury, Maryland
Catoctin Mountain Park
Near Sabillasville, Maryland
Raystown Lake
Near James Creek, Pennsylvania
Chesapeake & Ohio Canal National Historical Park
Near Sharpsburg, Maryland
National Park Service
Near Sharpsburg, Maryland
National Park Service
Near Salisbury, Maryland
Monongahela National Forest
Near Cabins, West Virginia
Blue Marsh Lake
Near Bernville, Pennsylvania
John H. Kerr Dam and Reservoir
Near Buffalo Junction, Virginia
Loyalhanna Lake
Near Duncansville, Pennsylvania
Shenandoah National Park
Near Luray, Virginia
Fish and Wildlife Service
Near Cambridge, Maryland
Blackwater National Wildlife Refuge
Near Cambridge, Maryland
Blackwater National Wildlife Refuge
Near Cambridge, Maryland
Blackwater National Wildlife Refuge
US Army Corps of Engineers
Near Bernville, Pennsylvania
Catoctin Mountain Park
Near Thurmont, Maryland
Catoctin Mountain Park
Near Thurmont, Maryland
George Washington & Jefferson National Forest
Near Natural Bridge Station, Virginia
George Washington & Jefferson National Forest
Near Natural Bridge Station, Virginia
George Washington & Jefferson National Forest
Near Natural Bridge Station, Virginia
Conemaugh River Lake
Near Clarksburg, Pennsylvania
Prince William Forest Park
Near Triangle, Virginia
Chesapeake & Ohio Canal National Historical Park
Near Potomac, Maryland
National Park Service
Near Washington, District of Columbia
Carter G. Woodson Home National Historic Site
Near Washington, District of Columbia
National Park Service
Near Sabillasville, Maryland
National Park Service
Near Potomac, Maryland
National Park Service
Near Williamsburg, Virginia
US Army Corps of Engineers
Near Clarksburg, Pennsylvania
Raystown Lake
Near Huntingdon, Pennsylvania
Crooked Creek Lake
Near Ford City, Pennsylvania
US Army Corps of Engineers
Near Ford City, Pennsylvania
Crooked Creek Lake
Near Ford City, Pennsylvania
Shenandoah National Park
Near Grottoes, Virginia
George Washington & Jefferson National Forest
Near Fort Valley, Virginia
Fish and Wildlife Service
Near Rock Hall, Maryland
Eastern Neck National Wildlife Refuge
Near Centreville, Maryland
Chesapeake & Ohio Canal National Historical Park
Near Little Orleans, Maryland
National Park Service
Near Washington, District of Columbia
Fort Dupont Park
Near Washington, District of Columbia
George Washington Memorial Parkway
Near Alexandria, Virginia
National Park Service
Near Baltimore, Maryland
National Park Service
Near Fort Washington, Maryland
Fort Washington Park
Near Fort Washington, Maryland
National Park Service
Near Washington, District of Columbia
Frederick Douglass National Historic Site
Near Washington, District of Columbia
Monongahela National Forest
Near Whitmer, West Virginia
Greenbelt Park
Near Greenbelt, Maryland
Greenbelt Park
Near Greenbelt, Maryland
National Park Service
Near Colonial Beach, Virginia
George Washington Birthplace National Monument
Near Colonial Beach, Virginia
National Park Service
Near Arlington, Virginia
National Park Service
Near Gettysburg, Pennsylvania
John H. Kerr Dam and Reservoir
Near Clarksville, Virginia
National Park Service
Near Great Falls, Virginia
National Park Service
Near Greenbelt, Maryland
National Mall and Memorial Parks
Near Washington, District of Columbia
George Washington & Jefferson National Forest
Near Natural Bridge Station, Virginia
Monongahela National Forest
Near Parsons, West Virginia
Crooked Creek Lake
Near Ford City, Pennsylvania
National Park Service
Near Harpers Ferry, West Virginia
Gettysburg National Military Park
Near Gettysburg, Pennsylvania
Jennings Randolph Lake
Near Keyser, West Virginia
National Park Service
Near Philadelphia, Pennsylvania
Independence National Historical Park
Near Philadelphia, Pennsylvania
John H. Kerr Dam and Reservoir
Near Clarksville, Virginia
John H. Kerr Dam and Reservoir
Near Clarksville, Virginia
Monongahela National Forest
Near Cabins, West Virginia
US Army Corps of Engineers
Near Bloomington, Maryland
US Army Corps of Engineers
Near Boydton, Virginia
John H. Kerr Dam and Reservoir
Near Clarksville, Virginia
Shenandoah National Park
Near Free Union, Virginia
US Army Corps of Engineers
Near Latrobe, Pennsylvania
Loyalhanna Lake
Near Duncansville, Pennsylvania
Shenandoah National Park
Near Luray, Virginia
Gettysburg National Military Park
Near Gettysburg, Pennsylvania
Youghiogheny River Lake
Near Friendsville, Maryland
Chesapeake & Ohio Canal National Historical Park
Near Potomac, Maryland
Chesapeake & Ohio Canal National Historical Park
Near Clear Spring, Maryland
Raystown Lake
Near James Creek, Pennsylvania
John H. Kerr Dam and Reservoir
Near Boydton, Virginia
National Archives and Records Administration
Near Washington, District of Columbia
President's Park (White House)
Near Washington, District of Columbia
National Park Service
Near Washington, District of Columbia
Prince William Forest Park
Near Triangle, Virginia
Youghiogheny River Lake
Near Confluence, Pennsylvania
Catoctin Mountain Park
Near Sabillasville, Maryland
Blue Ridge Parkway
Near Monroe, Virginia
Blue Ridge Parkway
Near Bedford, Virginia
Catoctin Mountain Park
Near Sabillasville, Maryland
John H. Kerr Dam and Reservoir
Near South Hill, Virginia
National Mall and Memorial Parks
Near Washington, District of Columbia
Chesapeake & Ohio Canal National Historical Park
Near Oldtown, Maryland
National Park Service
Near Washington, District of Columbia
National Park Service
Near Triangle, Virginia
Jennings Randolph Lake
Near Keyser, West Virginia
John H. Kerr Dam and Reservoir
Near Boydton, Virginia
Shenandoah National Park
Near Luray, Virginia
US Army Corps of Engineers
Near Huntingdon, Pennsylvania