Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

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

Erosion and time have created a naturally-formed water park.

The longest navigable underground river in the United States is home to countless blind and albino animals.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

The first full-scale tunnel built in America is short but scenic.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

A curious whirlpool formation supposedly capable of entangling or engulfing branches, tree trunks, or whole rafts full of hapless tourists.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

One of the oldest living oak trees in the Southeast.

A humid oasis combines recreation with exploration in a unique underwater cavern.

The abandoned bathhouse is all that remains of the hot springs considered Florida's original tourist attraction.

Where manatees are the snowbird vacationers in these balmy Florida springs.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

A delightful park featuring homemade scale replicas of dinosaurs, tucked away in the Tennessee mountains.

Visit this playground of waterfalls, caves and sinkholes.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

Enormous lake at the bottom of a unique cave system.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

The oldest bridge in South Carolina may have been designed by the same man who created the Washington Monument.