Massive still life just off the highway in Kansas.

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

One of Oahu’s best snorkeling and diving spots was created by warm water discharged from the nearby power plant.

A unique set of caves that spits waves back out into the ocean.

World-famous, Pink's still manages to keep its prized cult fetish status.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

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

This once rural mansion now sits in the heart of the city.

Once a slice of Cold War-era military history, this museum is finding its future in the stars.

Millions of dollars worth of sculpture decorate this Iowa city center.

Around 50 million gallons of water flow from this spring every day.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

This stadium was the home of the first organized night baseball game.

Where the author wrote her beloved "Little House" books.

The only museum in the world dedicated to the history of sprint car racing, next to one of the country's most historic dirt tracks.

A Kansas nature preserve protecting the plants and animals that once stretched across central North America.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

Once a giant oak that served as the region's post office.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

This seemingly charming home memorializes and honors the victims of a century-old unsolved murder.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

This unusual sculpture honors the city's namesake, Octave Chanute, for his pioneering work in early aviation.