A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A natural formation that resembles a camel resting in the New Mexico desert.

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

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

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

A multi-storied adobe complex has been inhabited for more than a thousand years.

A museum dedicated to the alleged Roswell Incident.

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

This memorial includes fragments from one of the greatest tragedies in United States history.

A stone pillar commemorates the surrender of the extraordinary Apache leader.

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

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

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

This historic national park is covered in the stunning ruins of red rock pueblos.

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

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

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

A tree bears footwear on the loneliest road in America.

Local history museum with mammoth bones and an old myth about local giants

The only surviving prototype of Buckminster Fuller's revolutionary car.

In the middle of a remote desert town is a surprisingly opulent hotel.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.