The woman who helped save 15th-century France was born in this humble home.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

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

The ruins of this former mining boomtown once housed over 3,000 people. Now, the population is two.

A clear blue swimming hole with hidden caves, still unexplored.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

All that remains of this abandoned coal town is a beautiful, haunting cemetery.

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

A flat-topped butte that makes a constant backdrop for Western art.

This mansion on an island off the coast of Georgia once belonged to a 108-year-old heiress.

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

This spectacular track has run continuously since 1882.

Deadly airliner crash preserved for those willing to climb and pay respects.

"I did this all while you were watching TV."

A unique geological area spiked with wind-carved rocks that resemble teepees.

On the edge of the Valles Caldera National Preserve, these rock formations create an eerie landscape.

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

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

One of the American Southwest's most extensive collections of Navajo rock art.

Legends surround this jagged rock formation in the New Mexico desert.

This towering volcanic plug stands out among the dramatic formations that dot this otherworldly desert valley.

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

More than 21,000 images fill this overlooked gem of a prehistoric site.