This National Natural Landmark is one of the best examples of a “mass wasting” in the world.

The site of the gruesome massacre—and maybe cannibalism—of five men, a tragedy that made Alferd Packer infamous.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

Even in death, he's still your huckleberry.

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

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.

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

The site of a defunct mill, that once supplied marble for the construction of the Lincoln Memorial.

The first railway tunnel to cross the Continental Divide and, at 11,523 feet, was once the highest railroad tunnel in the world.

This nearly abandoned town was once a thriving mining community until a series of fires.