The shop's owner has spent decades in the desert wearing nothing but a strategically placed sock.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

These free-roaming horses were once destined to disappear from the land.

A mysterious "wedding cake" castle in the middle of the urban desert.

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.

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

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

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

An urban laboratory.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

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

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

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

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.