Toss a Frisbee through the ruins of this Colorado gold mining town.

Unlike most arches, this geological oddity formed in a volcanic dike.

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

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

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

The largest source of fossilized insects anywhere.

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

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

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.

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

When ecosystems collide in the arid Southwest.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

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

Strange red rock formations that have been attributed to a higher power for hundreds of years.

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

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

A bypass decorated with large wooden troll carvings.

The site of an ancient Mississippian settlement that appears to have flourished during the 10th to 13th centuries.

Whimsical sculptures dot a woodland path surrounding their creator's old summer cottage.

Behind a modern brick exterior lies the oldest continuously-operating lunch-car diner in the United States.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

Wisconsin's most celebrated export gets the royal treatment on I-94.

This whimsical sculpture garden is a local treasure.