A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.

A mysterious spirit totem at the edge of Navajo lands.

A spiritual vortex among the red rocks in Sedona.

The Magical World of George Phar Legler.

A Saint Nicholas-themed ghost town in the Mojave desert.

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

Dramatic river bend surrounds a natural red-rocked pedestal.

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

Rippling sand dunes frozen in the Arizona rock.

A sculpture of a flying hawk made from colorful car doors.

A unique geological area spiked with wind-carved rocks that resemble teepees.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

Legends surround this jagged rock formation in the New Mexico desert.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

This giant steer-skull edifice refuses to die.

A natural history wunderkammer in the middle of the desert.

Make a wish at what might be America's only Catholic shrine to a sinner.

The fading, forgotten remains of a once bright and booming factory.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

A self-built castle made by a mysterious man.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Outsider Art Community.

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

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.