This subterranean disco dance club in a Cuban cave comes with bright lights and a dark legend.

For centuries, this large Roman villa remained hidden thanks to the eruption that buried nearby Pompeii and Herculaneum.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

A mysterious castle built as a monument to lost love.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

Located within a historic park, the beacon is the oldest standing structure in Miami.

Former villa and estate of James Deering developed to preserve native tropical forests.

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