Washington, D.C.
Lincoln Memorial Undercroft
A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.
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Washington, D.C.
A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.
Washington, D.C.
A tribute to the pop culture icon overlooks this Washington D.C. intersection.
Washington, D.C.
America's Most Wanted's set resides in this tribute to the history of crime and punishment.
Washington, D.C.
People escaping slavery may have hidden inside a corpse vault.
Washington, D.C.
A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.
Washington, D.C.
A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.
Washington, D.C.
A brass plaque dedicated to a convicted cannibal hangs in the National Press Club, and that's not even the craziest part of the story.
Washington, D.C.
There's an old indoor swimming pool hidden directly underneath the White House Press Briefing Room.
Washington, D.C.
D.C. once had its own tiny rival to the New York Stock Exchange.
Washington, D.C.
The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.
Herndon, Virginia
An out-of-place Air Force radar dome is all that denotes this park as a former missile launch site.
Smithsburg, Maryland
A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.