This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

A unique sculpture park that specializes in the huge and bizarre.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

This tiny structure was built by the creator of the Brooklyn Bridge.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

Contrary to popular belief, this secluded statue doesn't represent Pennsylvania's founder.

The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

These recently uncovered walls are all that's left of Washington, D.C's first defense contractor.

Cold War intelligence agents monitored communist embassies from an attic in a former pigeon coop.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

Government testing at the asylum briefly explored using marijuana as a "truth serum" on Nazi prisoners of war.

Perhaps the most scandalous statue of America's first president.

A diminutive plaque recalls the treetop sniper who almost killed Abe Lincoln.

Some North Carolina Cherokee have been keeping their history alive for decades with a single play.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

The United States Capitol's former columns still stand.

Largest Roman Catholic church in North America.

The most decorated dog of World War I is preserved in the Smithsonian.

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.