The famed architect designed this Minnesota gas station of the future with a lookout tower.

This Nebraska town wants to double its population with plywood cut-outs of townsfolk.

This small piece of railroad history sits behind the parking lot of a chain grocery store.

A roadside attraction filled with an astounding array of gloriously wacky vehicles.

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.

This is one really big nut.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

The burial grounds of a secret society includes fences topped with fake Tesla balls.

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This sidewalk tribute honors Colorado's great culinary creation.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

Ice cream stand, snack bar, and time capsule of milk conveyance.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

A large instrument played by the wind.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

The remnants of the base where US Army troops learned how to fight in extreme conditions.

A wall of chewing gum moonlights as collective art.