The world's longest known cave system.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Home to items never before seen by the public.

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

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

France's most famous cemetery, with some of its most curious tombs.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The magic's in the hole!

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A giant Troll lurks under one of Seattle's oldest bridges.

This massive roadside mascot was the first version of the giant to illustrate his butt.

17,400 lbs., 12 feet in diameter, and 29 years in the making.

This Minnesota town celebrated the state's 100-year anniversary by creating a massive ode to nature's smartest bird.

The first declared National Monument in the United States.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

The world's largest Holstein cow.

Three legendary, living albino buffalo roaming their pastures for all to see.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

The largest collection of two headed animals in the world.

"Looks so real, it's scary!"

Ingenious bakery opens up the first Cupcake ATM at their flagship location in Beverly Hills.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.