A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

Two creeks flow out of either end of this canyon in opposite directions.

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.

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

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

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

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

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

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

This super steep hike ascends 2,000 feet in less than a mile.

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

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

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

This spectacular track has run continuously since 1882.

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

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

Before it was abandoned and left to rust alongside the road, this riverboat starred in a John Wayne movie.

The oldest orange tree in California spawned a generation of citrus farmers.

Once the largest town in eastern Yuba County now sits abandoned.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

Dentist's hated concrete colossi are now beloved icons of the community.

The last of a gourmet supermarket chain, this store helped spark California's Food Revolution.