The largest source of fossilized insects anywhere.

This fully restored synagogue explores the American Jewish experience along the old frontier.

In the 1950s, two women saved this grand theater in the Colorado mountains from demolition.

An enthusiastically interactive mining museum that won't let black lung ruin the fun.

Abandoned silver mine strewn with wrecked and twisted structures.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

This 19th-century ranch is being transformed into a residential library with thousands of books about the natural world.

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

The remnants of the base where US Army troops learned how to fight in extreme conditions.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

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

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

Central City celebrates its most famous madam by racing beds down Main Street.

This hot dog-shaped diner has moved all around Colorado, never been to New York.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This iconic science fiction house still looks like something from the future.

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

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

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

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

A downtown park built on top of unclaimed graves.