Bad farming practices caused this unnatural natural wonder.

Ruins of a Carnegie family mansion on Cumberland Island.

Mai Tais and Navy Grog served up in one of the original tiki bars.

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

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

One of the greatest boxers and humanitarians to ever live chose his hometown as his final resting place.

An enormous goose sits atop this nest-shaped home.

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

Unique tower has outlasted a takeover of the company.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

Everyone and everything one man ever loved and lost, now stare into the East for all eternity.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

The world's longest known cave system.

This grave marks the final resting place of pioneer John Chapman, better known as Johnny Appleseed.

This whimsical park encourages its visitors and wildlife to roam on and around the various works of art.

Patrick Dougherty's fantastic living tree sculptures, mind-blowing but temporary.

A tribute to a 13-year-old boy who was kidnapped in 1793 and escaped over two years later.

One of the first schools in the U.S. to admit students without regard to race or gender.

Along this stretch of Indiana roadway resides a giant insect composed entirely of scrap metal.

The world's largest anatomically accurate brain sculpture.

Nature and art meet in this curvy creation

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.