A small island dotted with old, historic Finnish buildings.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

An abstract monument to a symphonic composer.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

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

A set of seven houses, each built in a style that represents a European country.

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

Located inside Hoge Veluwe National Park, this museum began as the private collection of a prominent female art collector.

A unique work of automotive art calls this shopping center home.

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

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

This miniature take on the Kremlin is one Dutch man's retirement project.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

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

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

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

This unattributed sculpture in Amsterdam is hiding in plain sight.

A beautifully eclectic mix of architectural styles.

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

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

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

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.