The source of America's longest river is also a historical landmark and the start of a famous nude run.

These giant metal horses graze on a hilltop near the Montana highway.

A permanent open-air exhibition of stunning, and inherently American, public art.

The shortest river in America flows for just 201 feet.

"Polynesia on the Plains."

An ancient cave system in Tennessee’s Appalachian foothills converted to a 1,200-person music venue.

This railroad overpass is said to be home to a murderous goat-man whose very legend has led to very real deaths.

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

Prehistoric animals decorate this popular outdoor park.

This simple, broken column marks the final resting place of one of America's most famous explorers.

A life-sized memorial to Harry L. Collins, the official corporate magician of Frito-Lay.

Unique and somewhat surreal, this little girl's memorial depicts a playful Jesus.

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

The only zoo where you can buy animals that won't need feeding.

This pun was simply waiting to come to life, and one defense contractor made it so.

An alternate history park where the Union Army loses the war... to dinosaurs.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

This concrete sculpture features a woman opening her heart to showcase a beautiful fern.

These craggy limestone outcrops offer a glimpse at a unique piece of Florida geology.

This natural spring is the winter home to the largest gathering of manatees in the world.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

Meet manatees face-to-face at this zoo for native species.