Yo, Adrian!

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

The largest source of fossilized insects anywhere.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

Golden Gate Park's historic collection of plants.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Come for the speed, leave in love with the desert.

A Prada store in the West Texas desert that is never open for business.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

A multi-storied adobe complex has been inhabited for more than a thousand years.

A natural gas leak provides a flickering flame beneath a waterfall.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

One of the oldest living oak trees in the Southeast.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

When ecosystems collide in the arid Southwest.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.