A set of 27 bamboo tubes creates an eerie soundscape that changes with the wind.

A condensed piece of China floating in a Dutch harbor.

An icon of International Style architecture on the outskirts of Rotterdam.

The mirrored section takes the shape of Hebrew characters when viewed from above.

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

A radio telescope for listening to the stars, based in one of the cloudiest countries in the world.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

This charming pup is meant to celebrate the youth and stubbornness of the city's students.

These lights mark the area of Rotterdam that was bombed and burned in 1940.

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

A bridge that has seen many reiterations over its lifetime.

A true Valhalla for cactus and succulent lovers.

A large measuring stick marks the lowest point of a country that is partially under sea level.

These engineering masterpieces are a dominant feature of the Belfast skyline.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

A brisk climb up this solitary peak leads to the origin story of a towering figure in Irish history.

The atmospheric road was never meant to be so creepy.

Beautiful scenery provides the backdrop for an abandoned coastguard facility.

From Vikings to nationwide rebellions, this castle has seen its fair share of warfare.

400 million years of erosion shaped these fascinating seaside caves, which made an appearance on 'Game of Thrones.'

A memorial to a goat culled during a foot and mouth disease outbreak guards a series of fantastical caves.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

Northern Ireland's Brobdingnagian stepping stones.

The lake that fills and empties itself at random.