See six states, pickled freaks, rocks, and antiques.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

The hallowed ground of one of the worst atrocities in United States history.

Winter and summer solstice aligned sculpture in the middle of nowhere.

The 7,000-foot finish line of America’s first Olympic Trials marathon.

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

Meet Rita the Rock Planter, one of Danish sculptor Thomas Dambo's enormous wooden trolls.

This depiction of the earth mother welcomes new life into Aurora Highlands.

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

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

This memorial pays homage to Pueblo's four Medal of Honor recipients.

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

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.

Colorado's only active volcano last erupted around 4,000 years ago.

This unassuming building houses one of the world's most extensive collections of cars created by automotive legend Carroll Shelby.

The remnants of a 1970 plane crash remain high in the Rocky Mountains.

An environmental art installation inspired by farmhouses and crop circles.

Once named the “world’s oldest gas station” due to its unusual construction material.

On the edge of grassland in northeastern Colorado, these rock formations are some of the few remnants of a high plain that has eroded away over millions of years.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

A short but powerful waterfall resides amid Colorado’s Great Sand Dunes.

This Colorado fire station has been in continuous operation for more than a century.

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

A mural of the Virgin of Guadalupe painted on the rock wall by canyon's religious namesake.