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

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

“And the Lord said unto Johan, build for thee an ark for the end of the world is approaching.”

The world's first transgenic bovine has been preserved at the museum where he spent his final years—though his old stable is now a cafe.

A bridge that has seen many reiterations over its lifetime.

A relic of the old jail still stands in its original location.

The house of physicists Paul Ehrenfest was also a temporary dwelling and study for his good friend Albert Einstein.

Albert Einstein would often sit in this chair during visits to the observatory to discuss science with Willem de Sitter.

This public toilet built in the famous Amsterdam School architectural style is a Dutch national monument.

Once housed in the towers of this Gothic church, this 17th century clock still ticks today.

A striking memorial to the Jews of Leiden who were murdered during World War II is scattered throughout the city.

Once the world's biggest telescope, it was later used as a coat hanger by a famous Dutch astronomer.

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

A giant yellow phallus sculpture hidden in the gardens of the Museum Boijmans Van Beuningen.

An art installation memorializing a tram stop, which became a tram stop.

An unassuming rod in the Netherlands was once the old standard unit of length for the entire Dutch empire.

Four giant movable street lights decorate this modern Rotterdam square.

A massive stone fox oversees a Rotterdam elementary school crosswalk.

This 11th-century castle sits so low you can't see it behind the surrounding buildings.

A strangely curved lamppost stands tall over this avenue in Rotterdam.

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

This small museum located under the famous cube houses, is home to some 30,000 chess pieces.

A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.

This historic Dutch newspaper building is covered with media-themed details—and one unrelated oddity.