This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

The former home of the army detachment that captured Geronimo.

A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.

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

This reclusive Hopi village in Arizona has been continuously populated longer than anywhere else in America.

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

A spiritual vortex among the red rocks in Sedona.

Ancient pueblos built into the base of a natural canyon wall.

A reproduction of earth's many biomes.

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."

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

The oldest continuously occupied public building in the United States.

Apparently, the whole cosmos emanates from this plain concrete tower.

The state bird of New Mexico, constructed entirely out of garbage.

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

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

Some of the Old West's most notorious outlaws frequented this mining town.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

A cave's rare beauty held a cavernous secret hidden underground.

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

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A half-size replica of the World Trade Center towers above Tulsa.