Site of a famous 19th-century transcendentalist utopian community, now abandoned.

America’s oldest community theater, this Boston club has been in operation since 1877.

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

The exact whereabouts of this surreal cabinet of curiosities are rarely the same place twice.

The bears may be gone, but their old cages can still be found.

Martha's Vineyard's most beloved speakeasy sells late-night pastries.

A disastrous shipwreck and a tragic love story.

Explore the dark underground corridors of this graffiti-covered former military fortification.

Abandoned Italianate architecture on the coast of Maine.

The "Bridge Over the Atlantic" lets you cross the waterway in mere seconds.

The only residents of this abandoned housing development full of identical castles are stray cats and dogs.

One of the oldest living oak trees in the Southeast.

The world's only above water sand volcano, believed to once be the bathtub of a priest.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

The beehive-like buildings of this abandoned resort reside near the border of Mauritania and Senegal.

A small house sits between two huge rocks, with its back to the sea.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

A miniature village lies nearly forgotten in the forest by the side of a major highway.

Spend the night in this formerly abandoned traditional Scottish village.

A palatial art deco restroom.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.