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 otherwise unremarkable ski town building marks the site of Butch Cassidy's first robbery.

A coal fire has been burning underground here since 1896.

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

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

Hidden high on a remote mountain peak is a humbling and mysterious Vietnam War memorial.

It's easy to forget what century it is as you wander this rustic homestead.

While comics are the main attraction at this megastore, the second floor plays host to an exhibit fit for a museum.

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

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

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

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

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

The oldest operating cemetery in Denver is the eternal home of some of the Centennial State's most famous residents.

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

Inspired by a music box, a small town Vietnam vet carved an entire carousel full of animals by hand.

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

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

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

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

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

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

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.