This enigmatic building features numerous architectural styles.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

There are eight natural springs around town, each with a slightly different taste.

One man's love for East Coast diner culture brought an entire eatery all the way from New Jersey to Colorado.

The 10-foot-wide Long Beach home was built on a dare.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

This museum offers an actual time machine back through Colorado's past.

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

This super steep hike ascends 2,000 feet in less than a mile.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

In 1967, murder and mayhem disrupted the tranquility along this quiet stretch of Old Route 66.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Catch two 18-foot-tall ranchers mid-brawl as you drive by on Highway 285.