The remains of a chapel created for convenience.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Amazing pre-Civil War ruins alongside a shallow, rocky river that hosts beautiful (but endangered) lilies.

Settled in 1696, abandoned after the Revolutionary War.

This historic Rhode Island mini-cemetery features a number of headstones run through with mysterious holes.

Mysterious stone tower featured in many alternative histories of the New World.

One of the only memorials dedicated to journalists who died in combat.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

The trials and tribulations of marking Poe's grave.

The land is home to swimming ponies and a legendary 18th-century treasure.

With nickel-steel armor and three-inch thick bullet resistant windows, FDR's train was a rolling fortress.

A tiny, unassuming park in Tampa that belongs to the Republic of Cuba.

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

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

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

Built in just a little over a week this preserved bunker was created to protect our most attractive POTUS while he was on vacation.

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

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

Florida castle built with aluminum printing plates.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.