A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

Mile-long cave system near Great Smoky Mountains.

The scant remains of this flooded historic village can be explored in one of the most remote areas of the Great Smokies.

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

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Hidden beneath the waters of Lake Michigan rests a perfectly intact ship from the early 1900s.

The rusted remains of an ill-fated freighter lie just off the coast of South Manitou Island in Lake Michigan.

The NBA player's elaborate former home is now a ghost of its old glory.

The eerie ruins of a remote abandoned hamlet said to be founded by the survivors of a shipwreck.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

In 1967, murder and mayhem disrupted the tranquility along this quiet stretch of Old Route 66.

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

The legend of a local monster still haunts this small town.

Foragers once flocked to this big beautiful bayou to hunt for pearls.

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

Locals dubbed this abandoned abode the "gingerbread house" because of its odd architecture.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

A series of labyrinths in the Nevada desert inspire meditation and calmness.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.