A tiny house showcases the busy life of a local gnome.

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

Graffiti covers the walls of a room where university students through the centuries have waited nervously to defend their theses.

This small museum collects the Christian remembrances which would otherwise be forgotten.

People have been placing babies on these lilies for photoshoots since the Victorian era.

One of the Leiden's oldest pubs is also the birthplace of the Heineken star.

This Dutch art piece became a Russian icon.

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.

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

An ancient Egyptian temple sits within a modern European museum.

Tucked away in the Leiden city hall are a group of works by famed artist MC Escher.

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

A former plague hospital turned medical museum.

A massive stone fox oversees a Rotterdam elementary school crosswalk.

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

An enormous Polaroid picture adds an artistic flair to Rotterdam.

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

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

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

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

A giant floating rubber duck-bunny painted with a different design every year.

This colorfully-painted tunnel links two distinct parts of a historic neighborhood.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.