This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

A collection of colorful dinosaurs hidden in an actual rainforest.

This National Natural Landmark is one of the best examples of a “mass wasting” in the world.

This tower once belonged to a castle fit for a knight.

An enormous roadside pan tells the story of a battle for pie glory.

An idle pastime becomes a record holder in Boys Town, Nebraska.

An experimental, automotive replica of Stonehenge.

The abandoned remnants of a little sanctuary for world peace that fell into disrepair.

You can only access this hermitage by crawling under a ledge suspended above an overhang.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

A hotel with a rich Wild West history of miners and bootleggers.

A coal fire has been burning underground here since 1896.

The remains of an early 1900s dude ranch that operated until the 1970s.

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.

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

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

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

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

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

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

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

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

The wreckage of a World War II bomber is hidden high in the Colorado wilderness.