At least seven hues of blue and turquoise make this freshwater lagoon unique.

This series of paintings celebrate a locally beloved snail species.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

A statue of the second-tallest Dutchman in history.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

Four giant movable street lights decorate this modern Rotterdam square.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

The world's largest bicycle shelter can hold more than 12,500 two-wheelers.

The European equivalent of the Hollywood Walk of Fame is slowly spreading over the entire city.

A bridge that has seen many reiterations over its lifetime.

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

The cutest way to stay safe in traffic.

The oldest statue in the Netherlands has survived relocation, bombardment, and burial.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

The dress young Pierce wore prior to his breeching ceremony in the early 1800s is now on display for all to see.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

A museum dedicated to one of Paris’s most famous residents, tucked into a corner of one of the city’s most famous squares.

Claude Monet was baptized in this lavishly ornate Paris church.

The approximate spot where the last Grand Master of the Knights Templar was put to death.

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

This bridge was constructed from the rubble of the infamous Bastille.