These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

This super steep hike ascends 2,000 feet in less than a mile.

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

This sparsely populated town offers a look back in time.

In 1967, murder and mayhem disrupted the tranquility along this quiet stretch of Old Route 66.

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

The final resting place of the living embodiment of the famous Forest Service symbol.

At this research institute, the chile is king.

A warm desert spring holds one of the rarest species on earth.

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

This centuries-old pueblo church houses the body of a Franciscan friar who is said to be a rare "incorruptible" corpse.

A museum devoted entirely to the rattlesnakes and snake-related art.

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

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

The world's first commercial spaceport is a disappointment of cosmic proportions.

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

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

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

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

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

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

On the side of a remote mountain, a stone face bearing an inscription of mysterious origin.

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