| Antietam NB |
 Park Map |
Synopsis: Battlefield and cemetary for the bloodiest battle in the Civil War. Stamp Location: Visitor Center located right off SR 65 in Sharpsburg. |
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| Assateague Island NS |
 Park Map |
Synopsis: Ecological park preserving barrier island off MD coast. Stamp Location: Barrier Island Visitor Center on SR 611, just east of Berlin and right before the bridge to the seashore. See also Virginia for an additional stamp location. |
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| Baltimore-Washington Parkway |
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Synopsis: Parkway that connects Washington and Baltimore. Stamp Location: Stamp is available at either stamping location inside Greenbelt Park and at the George Washington Memorial Parkway (GWMP) Headquaters (VA). See separate listings for directions. |
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| Catoctin Mountains Park |
 Park Map |
Synopsis: Scenic wilderness area with hills and waterfalls. Camp David is located within the park, though not visible from any of the roads. Stamp Location: Visitor center that is located halfway through the park on SR 77 west of Thurmont off US 15. |
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| Chesapeake and Ohio Canal NHP |
 Park Map |
Synopsis: Park preserves historic canal built to allow shipping between Washington and Pittsburgh. Stamp Location: Great Falls Tavern VC at the end of MacArtur Blvd (11710) in Potomac, Brunswick VC at 40 West Potomac St in Brunswick, Williamsport VC at 205 West Potomac St. in Williamsport (off I-81), Hancock VC at 326 East Main St in Hancock (off I-70), the Cumberland VC at 13 Canal St in Cumberland (off I-68) and park headquarters in Hagerstown. It may also be offered elsewhere (e.g. its known to be offered at Harpers Ferry NHP in WV), so enquire locally or consult the official site. See also West Virginia and D.C. for an additional stamp locations. |
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| Clara Barton NHS |
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Synopsis: Historic site preserves home and once warehouse of American Red Cross founder. Stamp Location: Located inside home, as you enter, in Glen Echo off MacArthur Blvd, just NW of Washington. The stamp is also available at the GWMP Headquarters in Turkey Run Park. See the George Washington Memorial Parkway listing for directions. |
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| Clara Barton Parkway |
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Synopsis: Suburban Washington, D.C. parkway is a 'moving' memorial to Clara Barton. Stamp Location: Located at the Turkey GWMP Headquarters in Turkey Run Park, Clara Barton NHS & Glen Echo Park. |
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| Fort McHenry NM and HS |
 Park Mark |
Synopsis: Site preserves the historic fort where the Star Spangled Banner was written Stamp Location: Visitor center next to the fort where a film is shown explaining the events leading to the writing of our National Anthem. To get there, from northbound or southbound I-95, take exit 55 to Key Highway. From Key Highway turn left on Lawrence Street and left on Fort Avenue. Proceed one mile to the park. |
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| Fort Washington Park |
 Park Map |
Synopsis: Fort was once part of the defense system for the capital, but now is a ecological park. Stamp Location: Visitor center located in the big yellow building to the right of the fort as you approach it at the end of Fort Washington Rd off SR 210 in Fort Washington, south of the capital beltway. |
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| Glen Echo Park |
 Park Map |
Synopsis: Former amusment park turned park service site catering to the arts community. Stamp Location: Stamp can be obtained in the Park Office, up the ramp to the left of the carousel. Off MacArthur Blvd in Glen Echo, it shares parking with the Clara Barton NHS. The stamp is also available at the GWMP Headquarters in Turkey Run Park. |
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| Fort Foote Park |
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Synopsis: Former fort was once part of Washington's defense, not its a suburban park. Stamp Location: Stamp is available at the Fort Washington VC. See separate listing for directions. |
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