Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

The only zoo where you can buy animals that won't need feeding.

These fossilized remains of an ancient saber-toothed cat inspired the mascot of Nashville's NHL team.

Ethereal alien hums and haunting whale songs emitting from...a giant sheet of vibrating metal?

Line up for a hickory-smoked BBQ bologna sandwich at this family-run institution.

The 10th-tallest pyramid in the world, this former sports arena is now home to a massive Bass Pro Shops store.

Mobsters came for a soak in the hot springs, and stayed for the illegal gambling and bootlegging.

Two gushing waterfalls of hot spring water within a block of each other.

This quirky Arkansas wax museum does not shy away from the macabre and the grotesque.

A beautiful botanical garden in the heart of the Natural State.

Continuing the tradition of the dime museum in style.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

A second generation sun-powered marvel lights up the night.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

On Hilton Head Island this bronze King of the Sea rules all things briny—and lets you know if you’re late for lunch.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

Few of the many visitors to this resort town know of its hidden Maya ruins.

A glimpse at Walt Disney's vision for a "community of tomorrow," in miniature.

The island residents are known for taking their quirky sense of humor with them to the grave.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.