This massive mural by famed pop-artist Keith Haring was hidden for almost 30 years until its 2018 rediscovery.

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

This 1920s Amsterdam neighborhood was built as a giant experiment in concrete construction.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

A beautifully eclectic mix of architectural styles.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

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

Lumps of significant stone from around the world surround a flaming monument for peace.

The 20-mile causeway that separates the Netherlands from the sea.

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

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

A monument hidden in the woods built in 1938 as a getaway for a Dutch museum curator.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.