Washington, D.C.
Georgetown's Haunted Halcyon House
This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.
Places chelsb423 Wants to Go
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Places I want to go
Places on this traveler's wishlist.
Washington, D.C.
Navy Yard Railroad Gun
One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.
Washington, D.C.
Arizona Avenue Trestle
The span is crooked and made from two older recycled bridges.
Permanently Closed
Washington, D.C.
United Brick Corporation Ruins
Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.
Washington, D.C.
Old Stone House
The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.
Washington, D.C.
International Temple of the Order of the Eastern Star
Obscure Freemasons still live in D.C.’s largest private residence.
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.
Uncle Beazley the Triceratops
A celebrity from the late Cretaceous period.
Washington, D.C.
Ruins of the Columbian Cannon Foundry
These recently uncovered walls are all that's left of Washington, D.C's first defense contractor.
Washington, D.C.
Carnegie Library of Washington, D.C.
D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.
Washington, D.C.
Peirce Mill Spy Station
Cold War intelligence agents monitored communist embassies from an attic in a former pigeon coop.
Washington, D.C.
The Mary Surratt Boarding House
The house where John Wilkes Booth conspired with his co-conspirators.
Washington, D.C.
National Archives Vault
An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.
Washington, D.C.
Holt House
There's a crumbling old mansion inside the Smithsonian National Zoo.
Washington, D.C.
St. Elizabeths Hospital
Government testing at the asylum briefly explored using marijuana as a "truth serum" on Nazi prisoners of war.
Washington, D.C.
Rockefeller Mansion in Rock Creek Park
This leafy estate is worth $18 million and is so grand it has two mailing addresses.
Permanently Closed
Washington, D.C.
Church of Two Worlds
A Spiritualist house of worship where believers communicate with the dead in the spirit world.
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.
Theodore Roosevelt Island
The national park was once a plantation estate.
Washington, D.C.
Kilroy Was Here
There’s a hidden military meme engraved on the World War II Memorial.
Washington, D.C.
Fort DeRussy
A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.
Washington, D.C.
Peacock Room
This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.
Washington, D.C.
Inside the Capitol Dome
The walls of the iconic dome are hollow and have a secret stairway.
Washington, D.C.
Mount Zion Cemetery's Underground Railroad Shelter
People escaping slavery may have hidden inside a corpse vault.
