One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

The remote resting place of a notorious Wild West outlaw whose death is shrouded in mystery.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

Hike the unusual hoodoos and rock formations that form this little-known natural wonder.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

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.

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

See massive fossils that are over 200 million years old in northeastern Arizona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

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

This extraordinary project brings water from the Colorado River to Southern California.

The only mine for rare earth elements in the United States has been intermittently active since the 1950s.

A small research station sits at the summit of this mountain, which is one of the few U.S. peaks higher than 14,000 feet outside of the Sierra Nevada.

Visit a remnant California's Gold Rush, which locals claim is haunted by spirits from the past.

When California condors were hovering on the brink of extinction, this recovery program was charged with helping the birds thrive again.

A large lava tube that can be walked through with no special equipment.

A striking geological formation in Southern California.

A charming easy-to-miss sculpture garden filled with whimsical and thought-provoking metal sculptures.

California's largest steel arch bridge.

This redwood is a historic landmark, a town’s namesake, and the dancing sideline symbol of Stanford University.

This bronze statue commemorates the strange and beloved mascot of UC Irvine—the only university to be represented by a giant anteater.

An eerie natural formation that looks right back at you.