A controversial art piece that harkens back to local folklore.

The first mechanized factory in Spain is also one of the most significant mints in the history of money.

A curious memento mori hangs in the magnificent Cathedral of Segovia.

These "mermaids" that surround a plaza in Segovia are rather sphinx-like.

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.

Sometimes called the Banksy of Madrid, Muelle was a pioneer of street art in the Spanish city.

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.

An automaton perched above an classic clock and watch store

A window into a long-lost world, these colorful tiles advertise a long-defunct range of purgative teas, harmless smokables, and diarrhea cures.

One of the best examples of the modernist movement in Madrid.

Inside this church are the alleged remains of the patron saint of lovers, epileptics, and beekeepers.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

A spectacular tribute to statesman and philanthropist Andrew Mellon.

This rowhouse doubles as one of the most photographed spots in the nation's capital.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

This elaborate towering structure was once famed for its revolutionary height.

A glittering Thai Buddhist temple in suburban Pennsylvania.

An Irish Memorial commemorating those who perished due to potato blight.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.