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

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

Dance on a hand-hewn log floor padded with bouncy boxcar springs at a saloon built in 1883.

Unlike most arches, this geological oddity formed in a volcanic dike.

Even in death, he's still your huckleberry.

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

When ecosystems collide in the arid Southwest.

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

Toss a Frisbee through the ruins of this Colorado gold mining town.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

A downtown park built on top of unclaimed graves.

The largest self-built castle in the U.S., six decades in the making.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

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

Hidden beyond a kitschy giant beetle is this remarkably sprawling collection of preserved insects.

Over 1.3 million confiscated wildlife products fill this macabre menagerie of illegal animal specimens.