A perfect circle of 24 mysterious holes dates back to prehistoric times.

Town of spiritualists and mediums in Florida.

The snowbirds here are circus sideshow performers.

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.

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

Florida castle built with aluminum printing plates.

The collection of 80+ pieces created between the years 1100 and 1500 is intended to be seen, heard, smelled, touched, and tasted.

A tribute to a future time when gravity is conquered.

An oddities shop that dabbles in the deathly and beautiful.

A gleaming white tower in ornate Indian style soars above the low-slung bungalows of north Tampa.

A lone gunner's station is all that remains of a replica Spanish Fort in Florida.

After the attack on Pearl Harbor, rocks and fossils from every U.S. state were collected into a pyramid of national unity.

These crumbling foundations are all that remain of the once-stately 1840s manor that gave the town of Bradenton its name.

An eclectic treasure trove of maritime marvels.

The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

Exact replica of the ancient monument, but much, much lighter.

A 19th-century smallpox cemetery is being reclaimed by scrub forest and sand dunes.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

A mechanized clock where a man fights off a dragon, crab, and rooster.

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

Even King Tut was intrigued by the glass of the Great Sand Sea.