This spooky road cut through a mound of ancient coral might be haunted by a witch.

An early-19th-century hotel with a past that is steeped in the Civil War.

This kitschy tavern is also home to rare early editions of "Treasure Island."

This railroad and oil tycoon's lavish estate now stands as a time capsule of the Gilded Age.

The oldest house of worship in Palm Beach has a wonderful tropical garden.

The world's longest known cave system.

Prehistoric animals decorate this popular outdoor park.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

More than five miles of underground passageways.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

It's a pretty creepy lock-up.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Location of a reliquary containing bone fragments of 18 saints.

St. Augustine's record-setting narrow street was designed to protect against pirates.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

Meet manatees face-to-face at this zoo for native species.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.