Hike the unusual hoodoos and rock formations that form this little-known natural wonder.

When this test site was abandoned, they didn't even bother to take the rocket with them.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

This rustic old building is said to be the most photographed barn in America.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The 15-foot-wide, 2-ton pan fries hundreds of chickens once a year.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This massive redwood tree has a hole in the base big enough to drive through.

A huge work of Burning Man-inspired outsider art on the grounds of a California winery.

Monumental sculptures of Patrick Amiot, constructed from debris, detritus, and determination.

The southernmost outpost of the Russian Empire in colonial America.

The haunting ruins of Jack London's dream house.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

An ominous concrete cube cuts a dystopian silhouette atop this California mountain.

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

A vast city of the dead, where the deceased outnumber the living by more than a million.

The most beautiful Taco Bell in the world even has surfboard parking.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

This infamous prison has a store where you can buy goods crafted by incarcerated people.

An amazing collection of fantastic reptiles, amphibians, spiders, and insects.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."