Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.

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

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

This museum offers an actual time machine back through Colorado's past.

An annual festival celebrating Colorado's most famous frozen corpse.

Colorado's only true geyser is hidden within the San Juan National Forest.

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

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

This spectacular track has run continuously since 1882.

The highest bridge in America was built for an almost unnervingly small amount of money.

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

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

Dig for your own trilobites in this goldmine of invertebrates.

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

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This geothermal hot spring hides beneath a slowly growing mineral dome.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

A collection of haunted objects and macabre oddities under one roof.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

Water of undetermined depth has attracted rare fish and cult leaders alike.

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

One of the largest, oldest, darkest, quietest motel rooms in the world.