Philadelphia, Pennsylvania
Thaddeus Kosciuszko National Memorial
Americaâs smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.
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Places I've been
Places this traveler has marked as been there.
Arlington, Virginia
Gravelly Point Park
This lovely picnic spot featuring thunderous jet landings is an aircraft spotterâs dream.
Washington, D.C.
Russian Ambassador's Residence
Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.
Washington, D.C.
Barbie Pond on Q Street
A rotating cast of guys and dolls in front of a Washington, D.C. building.
Charleston, South Carolina
Rainbow Row
Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.
Permanently Closed
Washington, D.C.
Site of the Knickerbocker Disaster
You could be standing at the site of one of D.C.'s most fatal tragedies and not even know it.
Washington, D.C.
National Bonsai Museum
One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.
Washington, D.C.
Hecht Company Warehouse
Art deco landmark on the outskirts of Washington, D.C.
Washington, D.C.
National Capitol Columns
The Corinthian columns that towered over Abraham Lincolnâs inauguration stand proud.
Washington, D.C.
Ruins of the McMillan Sand Filtration Site at Reservoir Park
An Industrial Revolution-era public work that purified water using nothing but sand.
Washington, D.C.
Embassy Gulf Service Center
Behind an abandoned storefront is an example of pioneering 1930s gas station architecture.
Washington, D.C.
Abandoned Drawbridge Control Room
The hidden offices underneath Memorial Bridge have been locked up since 1976.
Washington, D.C.
Godey Lime Kilns
A historic ruin just 20 feet away from a busy highway onramp.
Washington, D.C.
African-American Civil War Memorial
The first memorial dedicated solely to the Black troops who fought for the Union.
Washington, D.C.
Summerhouse
A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.
Washington, D.C.
Owney the Postal Dog
A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.
Washington, D.C.
The Throne of the Third Heaven of the Nations' Millennium General Assembly
Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.
Washington, D.C.
The Old Patent Model Museum
During the Industrial Revolution this âTemple of Inventionâ was full of intricate miniature machines and gadgets.
Washington, D.C.
National Building Museum
Fittingly, America's museum of architecture is itself a magnificently designed old building.
Washington, D.C.
Washington Monument Lightning Rod
The monument's pointy aluminum tip has been melted down by repeated lightning strikes.
Washington, D.C.
The Lockkeeper's House
A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.
Washington, D.C.
Potomac Park Flood Levee
This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.
Washington, D.C.
D.C. War Memorial
An overlooked memorial honoring the local Washington residents who died in World War I.
Arlington, Virginia
George Washington Memorial Parkway
This isn't your average roadwayâit's actually a National Park and a transportation pioneer.
