A collection of old neon signs from all over Poland line a secluded courtyard.

These massive moving sand dunes have swallowed an entire village and are still on the run.

A hidden art gallery in an abandoned Warsaw fort.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

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

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

This reclusive Hopi village in Arizona has been continuously populated longer than anywhere else in America.

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

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

Outsider Art Community.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

The world's largest military aircraft cemetery.

A reproduction of earth's many biomes.

Take a monster truck tour around an ostrich farm in the middle of the desert.

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

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

Coast along one of Japan’s mountain railways for coveted views of magnificent hydrangeas.

This once-private estate is now a dreamy, meditative garden that's open to the public.

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."

Hopeless romantics will swoon over the sweet story behind this bright and colorful home.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.