This popular pilgrimage site offers a hole filled with holy healing dirt.

These aggressively sustainable art homes look like something out of 1970's science fiction.

A multi-storied adobe complex has been inhabited for more than a thousand years.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This abandoned boat was left in place thanks to its rotting beauty.

A living time capsule of the 1960s Richardson Bay water-front.

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

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

Origin of the blue-skinned Fugates of eastern Kentucky.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

Less a museum than a bizarre fantasy world created by artists and engineers.

An entire town preserved as a historic landmark.

While it is not equipped to peer into outer space this observatory looks like it was built on the moon.

This perfectly preserved Chinese medicine shop was untouched for decades before being reopened as a museum.

Make it an offering.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

A modern day curiosity cabinet.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

Historic funicular railway, believed to be the shortest railroad in the world.

World's largest collection of serial killer artwork and other macabre exhibits.

Resting place of Hollywood's immortals is also site of summer film screenings.