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

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

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Metal water storage tank turned ethereal concert hall.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

This otherwise unremarkable ski town building marks the site of Butch Cassidy's first robbery.

When ecosystems collide in the arid Southwest.

One of the smallest towns in the United States.

A mental health hospital dating back more than 139 years, now features a museum.

Even in death, he's still your huckleberry.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

This naturally-sourced hot spring is now home to a clothing-optional resort.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

A lively annual event in which thousands of people race to push coffins heavy with bodies up a hill.

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

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

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

The largest source of fossilized insects anywhere.

This eclectic collection documents the wild legacies of "America's Wickedest Street."