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

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

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

An artist-run shop filled with art inspired by and made from nature.

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

This Colorado gallery is primarily for cars, but its collection also includes quilts, pottery, and more.

Check out a hidden collection of vintage neon signs.

This shrine is an ode to the region's rich Hispanic heritage.

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

The temporary burial site of the man who shot and killed Jesse James.

In a dry, neglected cemetery lies the unassuming grave of a soldier vilified in life but celebrated in death.

A research lab and hands-on museum where visitors can experiment with retro technology.

This iconic science fiction house still looks like something from the future.

A recreation of an Old West apothecary full of curios.

The final resting place of a legendary science fiction author and his fraternal twin sister who died as an infant.

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

This Rocky Mountain mansion was the luxurious home of the authoritarian leader of a company town.

A whimsical roadside community of little metal people.

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

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

The warmth and creative kitsch of a quilt engulf every patron who visits.

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.

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.

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