The longest non-mortared wall in the country is one man's tribute to his displaced Yuchi ancestor's five-year journey to her homeland.

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

This structure among the trees was the result of divine inspiration.

A whimsical folk art garden full of punny pieces and a diorama containing 3,500 toys.

Thousands of unique minerals, including some of the most impressive fluorite crystals in the world.

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

Mysterious library of an infamous financier and spiritual seeker.

This mansion turned restaurant was once a pitstop for Al Capone during his travels.

Visit this playground of waterfalls, caves and sinkholes.

A local scoured more than 1,000 acres for stone to create his masterpiece.

These early tent-shaped grave coverings are unique to Appalachia.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

One of the few surviving "Wigwam"-themed motels.

Amazing taxidermy dioramas from the 1960s in a cement building meant to look like an ice cave.

An abandoned theme park with a strange and tumultuous past.

Prehistoric animals decorate this popular outdoor park.

A museum to a cave explorer whose tragic death was a media sensation, and whose corpse became a tourist attraction.

The world's longest known cave system.

This limestone outcropping was once a ceremonial site for ancient Native Americans.

An engraved boulder marks the spot where Patsy Cline's life ended in a plane crash.

A former 19th-century tavern, famous for its peach brandy and honey concoction.

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

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

The remains of this visionary community can still be found much as it was a century ago.