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

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

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

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

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

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

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

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

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

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

The largest source of fossilized insects anywhere.

See six states, pickled freaks, rocks, and antiques.

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.

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

Abandoned silver mine strewn with wrecked and twisted structures.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

The highest bridge in America was built for an almost unnervingly small amount of money.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

This naturally-sourced hot spring is now home to a clothing-optional resort.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

This mosaic-covered bar is brimming with curated curios.

This historic motel standing at the "crossroads of America" offers a radio in every room and was saved by local protesters.