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

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

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

Curios, scientific antiques, oddities for sale.

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

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

Up-close opportunities to see working birds of prey.

An environmental art installation inspired by farmhouses and crop circles.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

A small store filled with animal skulls and other curiosities.

Inside this shop, visitors are treated to a unique blend of natural history and art.

The home of a formerly enslaved man who went on to become a prospector, entrepreneur, and activist for Black rights.

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

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

Birds with backpacks expedite film development for a rafting company on a remote Colorado river.

The remains of an early 1900s dude ranch that operated until the 1970s.

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

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

This interpretive path lets you get up close and personal with dinosaur bones.

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

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

A little-known hot spring haven right below the highway.

This spectacular track has run continuously since 1882.