One part antique store, one part curiosities hodge-podge.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

This small stone building, the final work of a renowned artist, offers a peaceful environment with radiant, colorful glass windows .

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Continuing the tradition of the dime museum in style.

This church on a Tohono O'Odham reservation has stood since 1797.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

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

A collection of haunted objects and macabre oddities under one roof.

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

A sharp bend in a dramatic river canyon cut through red rocks.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

Stock up on all your horror paraphernalia at this year-round Halloween emporium.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

This historic national park is covered in the stunning ruins of red rock pueblos.

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

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

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

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

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

A geological mystery on Camelback Mountain.

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

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

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.