Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

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

A building so large that it has its own weather.

Like Mardi Gras, only everyone's a pirate.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

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

Visitors flock to see this church tower's unintended feature: It happens to resemble a giant chicken from multiple points of view.

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

A monument celebrating the idea of reaching inaccessible places.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

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

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

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

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

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

A historic presidential getaway on the continental United States' southernmost island.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

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

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

The last location where Buddy Holly, Ritchie Valens, and J. P. "The Big Bopper" Richardson played before their tragic deaths.

This zombie-themed restaurant stands out in the heart of corn country.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.