This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

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

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

This monolithic statue was erected in honor of Chief Black Hawk (even if it wasn't made to look like him).

Millions of dollars worth of sculpture decorate this Iowa city center.

This otherworldly church spire reaches up toward the heavens.

Built in 1869, this now-retired structure looks more like a medieval fortress than a county lock-up.

A notorious Route 66 eatery once frequented by Al Capone.

This small Arkansas town once had a close encounter with the Beatles, and are determined never to let anyone forget that. Ever.

A beautiful South Korean gate and garden in Little Rock honors American Taekwondo.

Where animatronic singing fish go to retire.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

Community bookshelf of 25-foot-tall book spines.

European castle ruins in an American state park are actually the product of death and grief.

Once known as the Illinois Asylum for the Incurable Insane.

One of the largest carillons in the world, this giant instrument has 67 cast-iron bells played by a keyboard.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

Chicago’s incendiary role in the labor movement.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

Even with only two residents and one building, this tiny Illinois town is famous for its burgers.