A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

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

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

This Los Angeles animation studio is keeping the wonder of stop motion puppetry alive.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

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

A reproduction of earth's many biomes.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

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

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

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

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

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

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

An acoustic anomaly with a mysterious cause.

The largest self-built castle in the U.S., six decades in the making.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.