The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

An unfinished rail tunnel that has since been used to house cheese and bats.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

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

4,000 monkeys used for medical testing on an island off of South Carolina.

Ruins of a Carnegie family mansion on Cumberland Island.

Famous for its bio-luminescent inhabitants, known as "dismalites."

Healing Springs that once ran red with soldiers' blood.

A curious whirlpool formation supposedly capable of entangling or engulfing branches, tree trunks, or whole rafts full of hapless tourists.

The world's longest known cave system.

Home of an evil witch famous within southern folklore.

Moonbows over Kentucky.

Mile-long cave system near Great Smoky Mountains.

A miniature city built by a single hunchbacked monk.