A museum dedicated to the history of psychiatric treatment featuring a gallery of art made by patients.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This Danish castle is supposedly haunted by a woman too independent to not be a witch.

A beautiful photography exhibition space housed in a former church.

A walkable map of the world, made from soil and stone by one man.

This Danish rock field is actually a sprawling ancient cemetery holding the bodies of 700 Vikings.

A failed attempt to control drifting sands yielded a gnarled sylvan wonderland.

Nearly 40 miles and 1,000 years of limestone mines under Denmark.

A second generation sun-powered marvel lights up the night.

This giant temperature attraction created some giant electric bills.

An increasingly eccentric apartment building, topped with winged beasties.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.