Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

This popular bar has been blurring the line between normal and edgy for more than 75 years.

An obscure waterfall that looks like something out of a fantasy novel.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

The Grand Canyon of Texas.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

A popular swimming hole that hides one of America's most deadly diving spots.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

A wall of chewing gum moonlights as collective art.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.