This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

When ecosystems collide in the arid Southwest.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

The highest point in Alabama was almost completely deforested, but is now home to protected towers and trees.

The "last unrestored grand mansion of Savannah" is now a cramped, mouldering maze of antiques.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

Tour the sci-fi-esque reality of governmental disease management.

The largest cemetery in the American Southeast is a hidden gem near the heart of Atlanta.

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

Jacksonville's highways rendered this century-old grammar school unusable.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

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

Over 12,500 words are scrawled across each room of this historic plantation house and no one knows why.

A giant 400-acre preserve in North Florida for displaced wolves.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

The only Florida state park with publicly accessible caves.

The so-called "world's shortest river" is actually a window into a cave.

Walk through Czech history in Prague's largest graveyard.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

These 17th-century mummies are no longer naturally preserved, but remain on display today.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.