A self-built castle made by a mysterious man.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Surreal riveted sea forts once protected the Kent shores from German attack.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

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

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

This spectacular track has run continuously since 1882.

The site of the first battle of World War II.

A Franco-era dam flooded (almost) everyone out of this centuries-old Aragonese town.

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

The remains of a magnificent medieval fortress that was the capital of a vast empire.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

An otherworldly restaurant perched on the edge of a jagged cliff next to a medieval holy city.

This unique temple complex remains off the typical tourist trail.

Catacombs turned marketplace.

The yawning maw of this pagan visage is said to bite off the hands of liars.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

Despite the ever pressing encroachment of urban sprawl this grand New Orleans manse still stands.