A diverse, expansive nature preserve in northeastern Kansas.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

This sacred space and gathering spot for the Wyandot Nation has been the surrounded by controversy and confusion.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

When ecosystems collide in the arid Southwest.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

The highest bridge in America was built for an almost unnervingly small amount of money.

The largest source of fossilized insects anywhere.

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

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

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

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.

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