The final resting place of the most famous outlaw in the Old West.

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

Hidden in the Chihuahuan Desert resides an amazing collection of petroglyphs.

The symbol was surreptitiously built into the river bank by German prisoners of war.

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

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.

This pseudo-steampunk weapons facility is the world's largest wood and glue structure, and packs quite a wallop.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

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

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

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

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

Natural sonic phenomenon comes with a grisly legend of murder and blood.

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

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

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.