Stairs often replace streets on the steep slopes of this old mining town.

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

A mistaken marker makes an erroneous claim along the historic Old Divide Road.

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

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

This opulent Pueblo Deco movie palace melds Art Deco and Native American motifs.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

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

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

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

A motel dedicated to Southwestern nostalgia.

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

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

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

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

The unusual burial monument of Arizona's first governor.

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

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

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

This giant steer-skull edifice refuses to die.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Apartment complexes built into huge repurposed natural gas tanks.