Washington, D.C.
Mount Zion Cemetery's Underground Railroad Shelter
People escaping slavery may have hidden inside a corpse vault.
Places I want to go
Places on this traveler's wishlist.
Washington, D.C.
People escaping slavery may have hidden inside a corpse vault.
Fort Washington, Maryland
Remains of a historic fountain that was mysteriously lost in the demolition of a D.C. traffic circle.
Washington, D.C.
A tiny piece of the Moon is embedded in this stained glass masterpiece.
Washington, D.C.
There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.
Washington, D.C.
Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.
Bethesda, Maryland
Residing quietly in suburban Maryland, this tree has a star-powered history and was grown from a seed that journeyed to space on Apollo 14.
Poolesville, Maryland
This ruined quarry once produced the distinctive red sandstone used for construction projects in Washington, D.C.
Washington, D.C.
Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.
Hyattsville, Maryland
An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.
Germantown, Maryland
The hidden ruins of a mill that is linked to an attempt to assassinate the vice president of the United States.
Boyds, Maryland
This abandoned Victorian-style house was built in 1884.