Go surfing on this urban wave, "hacked" by local surfers.

A small square plaque marks a failed assassination attempt that could have changed history.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

A dramatic coastline that’s home to a rare pine tree.

An ode to the friendship between four Pacific Rim countries.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

See massive fossils that are over 200 million years old in northeastern Arizona.

A clear blue swimming hole with hidden caves, still unexplored.

An acoustic anomaly with a mysterious cause sits in the heart of Tulsa.

This mountaintop refuge rehabilitates tigers, lions, bears, and more from illicit wildlife trade—and offers overnight lodging.

The Ozarks' strangest dwelling.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

From a canyon-like gorge, more than 20 million gallons of water emerge every day, while a smaller spring drips down, creating the illusion of an endless, gentle waterfall.

The largest spring in Northwest Arkansas is also home to a sprawling botanical gardens and a historically significant bluff.

Sometimes called the “Little Golden Gate," this bright yellow structure is the last driveable suspension bridge in Arkansas.

This century-old roadside attraction is full of bizarre rock formations.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This restaurant serves wood-fired fare served in a natural cave with a live spring.

An extravagant western hotel where every floor is the "ground floor."

Vintage neon signs illuminate highway history.

Everything good comes from Uranus