This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

The world’s narrowest house makes for an awkward, four-foot-wide living space.

An elevator into the Baltic Sea.

A treehouse assailed by the elements and the government, now gone.

An enormous natural sandstone bridge in Kentucky.

Veritable museum of 20th century country music history.

A museum that houses the world's largest collection of ventriloquism dummies.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

Prehistoric animals decorate this popular outdoor park.

One of the few surviving "Wigwam"-themed motels.

Moonbows over Kentucky.

This small museum is kept in a house that was integral to the genesis of Uncle Tom's Cabin.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

The permanent home of Elektro, the celebrity automaton of the 1939 World's Fair.

The only presidential monument to display a late POTUS's actual casket.

A gas station has taken the place of the home of the 19th American President.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

On this island, you suck away your garbage via an elaborate pneumatic tube system.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

Former utopian colony based on the belief that the universe exists in a hollow sphere.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

This one has sailed five times as far as Sir Francis Drake's famous ship.