The fairy tale castle of the "fairy-tale king."

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

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

Henry VIII's forgotten castle was built by the gunpowder-obsessed king to be defended solely by cannons.