A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

This abandoned amusement park was built on a site with a dark history.

Hollowed out cedar log tubs set in an ancient towering forest.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

A beautiful Victorian-era cemetery, complete with a miniature village.

Mysterious rocks that ring musically when struck.

The first declared National Monument in the United States.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

One man's homage to the sun continues to grow like a glass fractal.

A toxic ghost town sitting atop a massive coal fire.

Stroll through a wonderland of stupendous moss-covered trees.

A winding path built in secret on the edge of the continent.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Elevated freight railway turned wildly successful urban park.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Try not to get slimed in Tribeca.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

The legendary building that needed ghostly approval before being built.