Island ghost town detailing Flagler's folly in building the Overseas Railroad.

This lush Florida island is home to the ruins of a crooked ship breaker's tiny empire.

Dedicated to the victims of one of the deadliest hurricanes to strike the United States in recorded history.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

Located within a historic park, the beacon is the oldest standing structure in Miami.

Over 120,000 curious objects that have shaped our modern world.

Neglected resting place of some of the city's early luminaries—and a woman encased in concrete.

Former villa and estate of James Deering developed to preserve native tropical forests.

A hidden beach at the end of a tunnel of mangrove trees.

Former utopian colony based on the belief that the universe exists in a hollow sphere.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

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

A building so large that it has its own weather.

The humble home where the famous beat author lived briefly and wrote one of his most famous works.

Ruins of a Carnegie family mansion on Cumberland Island.

Dubbed the "smallest church in America," this tiny sanctuary was a local grocer's dream come true.

This mansion on an island off the coast of Georgia once belonged to a 108-year-old heiress.

Local myth claims this is a Sears catalogue home with its windows installed upside-down.

This medieval city gate is now a blend of the past and the modern world.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

The relics of dozens of martyrs are stored in a single chapel.

Richard Luke Concanen never set foot on American soil.