A natural sandstone bridge hidden in the Sewanee forest.

Mysterious library of an infamous financier and spiritual seeker.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

This strange, small castle on the bayou has withstood the test of time and weather.

This 19th-century benevolent society and jazz hall was rescued from abandonment to again host live music.

Some believe this tree to be more than 1,500 years old.

A 200-year-old live oak on the banks of Lake Pontchartrain.

The world-record holder for the longest bridge stretching continuously over water.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.