Abandoned in Maryland

The ruins of an 18th-century mansion that was once named "Mistake" by the man who had it built.

The hidden ruins of a mill that is linked to an attempt to assassinate the vice president of the United States.

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

This abandoned Victorian-style house was built in 1884.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

An eerie, decaying ghost town destined to fade into the forest.

A mammoth pair of Civil War artillery guns abandoned out in the forest.

A remarkable time capsule of American manufacturing deep in Maryland coal country.

Ship skeletons haunt Baltimore's waterways.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

This abandoned sea fort has become an accidental bird sanctuary.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.