A mysterious castle built as a monument to lost love.

An underwater city for the dead.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

Where manatees are the snowbird vacationers in these balmy Florida springs.

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.

The way these carnivorous dinosaurs are posed is an homage to a classic work of paleoart.

A "Bugseum" dedicated to all things insect-related resides behind a pest control company.

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

Destructive children, start your engines.

One man's lifelong obsession with death.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

This collection of odd proofs of concept is like taking a walk through the imagination of a Victorian engineer.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

A wrecked ship dating back to the American Revolution was only recently discovered off the Delaware coast.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

Remnants of a storybook amusement park hidden behind a strip mall.

Explore the legends surrounding these mythical sea creatures inside this museum.

This golfball sized platinum iridium cylinder is the official starting point for all national weight calibrations