This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

A wall of chewing gum moonlights as collective art.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

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

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A meditative space out of a fantasy story.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

A bizarre roadside attraction and the first instance of miniature golf in the world.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

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

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

A clear blue swimming hole with hidden caves, still unexplored.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

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

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

These eerie outliers of the lightning bug family glow a mysterious blue color.

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