A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

Peek through the gates at this oasis from the city, full of Old English charm.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

A bizarre roadside attraction and the first instance of miniature golf in the world.

An unassuming secret door once led to a legendary watering hole.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

Visible below the waves are memorials to the city's Gold Rush dead.

A modern mechanical planetary system, part of a 10,000 year clock.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

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

The scuba diving training facility was named for the steam that rises from the cave's chimney.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

These eerie outliers of the lightning bug family glow a mysterious blue color.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

See massive fossils that are over 200 million years old in northeastern Arizona.

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

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

The ghost town that ended up on Ebay.

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

Strange red rock formations that have been attributed to a higher power for hundreds of years.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

This charmingly homemade amusement park has been growing for 40 years.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.