This popular pilgrimage site offers a hole filled with holy healing dirt.

A saloon and inn that served the Wild West's most iconic figures—and is still haunted by some of them today.

Unlike most arches, this geological oddity formed in a volcanic dike.

When ecosystems collide in the arid Southwest.

These aggressively sustainable art homes look like something out of 1970's science fiction.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

Ancient human, animal, and geometric figures drawn in the earth.

The unbelievably opulent home built for an infamous newspaperman.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

It's not your typical library, memorial, or book store.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

These unique volcanic rock formations offer the perfect opportunity to camp and hike.

This old army installation has worn many hats throughout its history.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

Limestone caves with spectacular showcase chambers.

What is the Thing?

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

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