One of the largest burial mounds in the Netherlands and Belgium.

An early 19th-century English style garden hidden in the Rotterdam cityscape.

The place where Czar Peter I of Russia resided in 1697 during his Grand Embassy.

The Rozenberg wind wall in South Holland makes for smooth sailing through the Calandbrug canal.

The Netherlands is home to a bridge printed out of reinforced concrete.

This giant wire frame man sculpture is crouched in contemplation.

A lecture hall sink once used by Einstein and other noted physicists is now regarded as a strange science relic.

The former headquarters of history's oldest megacorporation.

An ingenious Dutch land art project uses grass ridges to cut airport noise pollution in half.

The elegant manor house where Kaiser Wilhelm II lived in exile after World War I.

Hop aboard a charming bog train to explore this rare open-air museum of peat.

Science meets wall art to highlight the beauty of famous mathematical equations.

The world's first floating farm is staffed by one human, three robots, and 35 cows.

The bridges portrayed on EU currency aren't fictional anymore.

This disused VLF radio station is no longer in service but the surrounding town still bears its name.

This former hydraulic laboratory is now a woodland dotted with old engineering models.

This basement museum explores the art and artistry of fascism.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

This museum inside Amsterdam's largest cemetery explores how people deal with death.

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

Crouch down, stretch tall, and be sure to flail your legs to pay homage to the Monty Python classic.

A market built atop boats is one of the few floating holiday markets in Europe.