This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

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

Famous church recognized for both its unique design and disciplined monks that live according to the Benedictine discipline.

This art deco masterpiece was once a miracle spring mecca but is now simply a government office building.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

This abandoned prison castle has become an imposing gallery of graffiti art.

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

Curious cave that stays a cool 56 degrees all year long.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

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

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

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

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

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.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

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

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.

When ecosystems collide in the arid Southwest.