A new kind of theme park for adults off the Las Vegas Strip.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Most-visited and most-photographed slot canyon in the American Southwest.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

A haunted hill that supposedly defied gravity.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

A house carved into a rock in the 1940s.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

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

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

The only rotating bar in New Orleans has been slowly spinning since 1949.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A modernist landscape of water and sci-fi concrete.

One person's lost luggage is another person's treasure.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

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

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

Stroll through a wonderland of stupendous moss-covered trees.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.