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

The decaying ruins of a failed mining company’s water diversion project cling to the side of a desert canyon.

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

An ADA-accessible trail and deck offering stunning views of Colorado’s Mount of the Holy Cross.

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.

This massive home was constructed by one of the greatest conservationists in Colorado history.

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

A prehistoric rock shelter that's literally in someone's backyard.

16,500-acre ranch filled with American heritage, geological wonders, and a giant pile of tires is the crown jewel of an intriguing tug-of-war.

A small store filled with animal skulls and other curiosities.

Two creeks flow out of either end of this canyon in opposite directions.

A coal fire has been burning underground here since 1896.

A museum dedicated to the mysterious cryptid.

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

A fake mine that was made using real mining techniques which is also used as a community center.

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

A beautiful combination of living flora with preserved bones covers the shelves of this shop.

A river runs through this remote valley in a very unexpected way.

In the early 1900s, hundreds of Black Americans found opportunity in this now-abandoned rural community.

The remains of the dam that unleashed a 15-foot wall of water on Denver.

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

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

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

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.