Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

At the United Kingdom's only residential library you can sleep among the books.

The world's first time capsule lies behind a welded steel door in Atlanta.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

The abandoned village of Skarð aptly illustrates the idiom "Don't put all your eggs in one basket."

The ghost town that was one of New Hampshire's first settlements now exists as a park detailing its history.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The Cimetière des Chiens et Autres Animaux Domestiques is one of the oldest pet cemeteries in the world.

Mediterranean castle on a tiny Turkish island.

The final resting place of the man who played the Invisible Man.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Mining town from the late 1890s, once home to Calamity Jane.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

San Diego's most historic and haunted home.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

The famous author's cottage hideaway.

Odd outsider art installations surround a Gold Rush-era ghost town.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

Historic psychiatric asylum and most-filmed location in the Great White North.

This revered mutant tree was felled in an act of ecoterrorism leaving a legacy of myth and possibly murder.

Low tide reveals 8,000-year-old rock carvings in Southern Alaska.

Hauntingly beautiful totem poles left by the Haida.

Canada's subterranean Cold War museum has doubled as a movie set.