No one knows exactly how deep the world’s deepest geothermal hot spring is.

Check out a hidden collection of vintage neon signs.

A short but powerful waterfall resides amid Colorado’s Great Sand Dunes.

A memorial dedicated to the victims of the Columbine High School shootings.

Take a self-guided tour through one of Colorado's most elevated mining districts.

This gallery is home to everything from antiques, to ancient tribal masks.

Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

The narrow mountain road that carves a path between Florence and Victor is tied to ghost towns and ghost stories.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

It takes a nine-mile hike to reach these hot springs, but weary hikers are rewarded with stunning views and a warm soak.

Take a dip in the world's largest mineral hot springs pool.

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

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

Located in the world's highest-altitude Dark Sky Community, this observatory welcomes amateur and professional astronomers alike.

This remote Colorado canyon is home to the second-largest collection of natural arches in the world.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

This marker identifies the location where three states converge.

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

An eclectic collection of artifacts from the Wild West is preserved in a remote fictional pioneer town.

The burial grounds of a secret society includes fences topped with fake Tesla balls.

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

A museum dedicated to the mysterious cryptid.

Possibly the world's only drive-in movie theater with an attached motel.

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