Legend says train robbers stashed their gold within the depths of this unusual cave.

This sanguine boulevard was named after a deadly cowboy bar fight.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

A Wild West jailhouse that slid down the mountainside.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

A natural history wunderkammer in the middle of the desert.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

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

A mysterious spirit totem at the edge of Navajo lands.

An artificial crater field that trained astronauts for lunar exploration.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

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

What is the Thing?

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

Miniature art that tells an enormous story.

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

Limestone caves with spectacular showcase chambers.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

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

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

Ancient pueblos built into the base of a natural canyon wall.