A meditative space out of a fantasy story.

A clear blue swimming hole with hidden caves, still unexplored.

A house filled to the brim with oddities and curiosities.

A reproduction of earth's many biomes.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

This quirky curiosity shop takes its cues from the world's bazaars.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

A historic neighborhood church is reborn as a psychedelic arts collective.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

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

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

Quite simply the largest tree in the world (by volume).

A museum dedicated to the alleged Roswell Incident.

San Francisco's newly reopened hands-on science museum.

This lab's maddening silence is good for business but bad for sanity.

Tour the sci-fi-esque reality of governmental disease management.

More gold than anywhere else, ever.

A whimsical village of unique treehouses resides in a Washington forest.