Historic, 19th-century wagon wheel ruts cut into soft volcanic ash.

A museum of natural history, Edwin Carter's original log cabin home and workshop houses taxidermy specimens.

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

The site of a defunct mill, that once supplied marble for the construction of the Lincoln Memorial.

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

Happen to come across a dead eagle? Send it to America's official dead eagle warehouse.

This restored farmhouse is a time capsule of a 19th-century Colorado homestead.

A coal fire has been burning underground here since 1896.

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

A prehistoric rock shelter that's literally in someone's backyard.

One of few remaining antique carousels with stationary animals in the U.S.

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

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

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

This underfoot portrait is the work of a disgruntled painter inspired by a tragic poem.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

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

This sidewalk tribute honors Colorado's great culinary creation.

It would be easy to walk past this unusual piece of art and have no idea it pays tribute to the odd life of a real chicken.

The world's largest sticker ball weighs in at a mighty 231 pounds.

A river runs through this remote valley in a very unexpected way.

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

16,500-acre ranch filled with American heritage, geological wonders, and a giant pile of tires is the crown jewel of an intriguing tug-of-war.

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