Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This alpine statue of Jesus in Silverton is said to protect both miners and local economies.

One of three remaining theatres in the United States created in the Art Deco Mayan Revival style.

Built in 1981 in collaboration with Andy Warhol, this giant piece of pop art stands on the campus of Colorado State University.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

This open-air reconstruction of an Old West town, a cross between a theme park and a museum, provides an immersive historical experience.

One of the oldest continuously operating amusement parks in the U.S. is an open-air museum of Art Deco and neon lights.

For over a century, it has been a tradition to raise a flag at the top of this 450-foot sandstone pillar on the 4th of July.

This fully restored synagogue explores the American Jewish experience along the old frontier.

A tiny town’s tiny museum with some gigantic residents.

Above Breckenridge, a destructive mining technique sits sunken in a small pond.

See 150 million-year-old dinosaur tracks and bones dating back to the Jurassic period.

A memorial dedicated to the victims of the Columbine High School shootings.

This 19th-century ranch is being transformed into a residential library with thousands of books about the natural world.

The remnants of the base where US Army troops learned how to fight in extreme conditions.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

Take a dip in the world's largest mineral hot springs pool.

This massive home was constructed by one of the greatest conservationists in Colorado history.

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.

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

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

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