Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

Yup, that's a 330-foot yacht passing over the highway.

Drink wine handed out through a window as part of an age-old tradition.

The oldest operating pharmacy in the world features 800-year-old recipes.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

This crumbling industrial fortress has attracted daredevils, filmmakers, and historians.

Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.

This enormous storm barrier is one of the largest moving structures on Earth, with each arm taller than the Washington Monument.

A modern reimagining of a medieval city gate.

Four giant movable street lights decorate this modern Rotterdam square.

The hands on this clock appear to be created by two workers sweeping debris into careful positions.

The smaller of the three towers of San Marino is a former prison inaccessible from the ground level.

A fantastical and futuristic temple of light built from nine monumental glass veils.

A beautiful deserted greenhouse in the middle of a park.

The largest cemetery in Chile is the final resting place for more than 2 million people, from politicians to artists.

Climb inside an iron crystal magnified 165 billion times its normal size.

Meet the bronze beloved pet to a family of famous peeing statues.

The mummified relic of St. Antoninus.

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.