This steam locomotive served as both an interesting static display and unique playground equipment since 1959.

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

The site of an underground detonation of a megaton nuclear bomb in the middle of the Mojave Desert.

The birthplace of both the Atomic Age and Godzilla, and the namesake of the bathing suit.

This giant, rotating globe was built to celebrate the expansion of a company that makes steam cleaners and pressure washers.

This pair of unsuspecting buildings are in fact the very first modern skyscrapers in Europe.

This is an amazing but little known tile mosaic mural that used to grace the lobby of an office building in 1958, but now can only be seen from the second floor of a Shoppers Drug Mart.

The only natural cave bath in all of Europe.

This magnificent natural sandstone bridge is one of the largest in the world and is an iconic symbol for Lake Powell.

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.

An enormous concrete structure built over a nuclear crater.

This largely forgotten piece of Cold War history stands hidden in the woods just north of the Mississippi Gulf Coast.

A facility built in 1992 for an underground nuclear test remains in place today.

This candy shop has been serving up sweets to the Louisville area since the 1850s.

According to the experts at the Guinness World's Record office, this is the longest candy counter in the world.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

Feast on award-winning birria tacos from a food truck inside this neon robo-tiki bar.

A journey through the history of medicine throughout the centuries.

Ride a steep cable car alongside a tall waterfall that feeds a near century-old power plant.

Artist Jack Pierson made this surreal sculpture in honor of Wonder Valley, a countercultural community on edge of civilization.

This delightful attraction features over a dozen miniature train layouts which you can operate and interact with.

A total of 14 men held the title of "president" before George Washington—their historical legacies are enshrined in the lobby of a hotel.

Original factory of John G. Borden who started what we know today known as Borden Dairy.

At the end of a street is a statue with no indication as to why it was created.