The remains of a large pueblo village constructed by the Salado culture, who occupied the region more than 600 years ago.

An early 20th-century jail not far from the infamous Tombstone, Arizona.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

The first Protestant church in Arizona and only Gothic Revival style adobe church in the world.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Out of a desire to feed hungry soldiers, a franchise-altering idea was born.

What is the Thing?

Previously a hot spring, this park remains a site of unique history, wildlife, and geology.

Limestone caves with spectacular showcase chambers.

Take a monster truck tour around an ostrich farm in the middle of the desert.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

A reproduction of earth's many biomes.

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

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

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

Despite a recent paint job, the factory still sits empty.

An amazing collection of model trains, collectibles, and artifacts that span the last 100 years.

A rare wayfinding portmanteau of “Street” and “Avenue.”

A cabinet of curious mathematical models and old calculators.

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

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

Visitors to this public park will also find the ruins of an old western fort.

A colony of Mexican free-tailed bats live under the bridge and take flight at sundown all summer long.