This historic Amsterdam bar used to accept sailor's monkeys as payment.

A massive stone fox oversees a Rotterdam elementary school crosswalk.

Four giant movable street lights decorate this modern Rotterdam square.

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

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

Museum preserving torture methods from the past.

The world's only museum devoted to the wonders of fluorescence.

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

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Baroque celebration of the end of the Great Plague of Vienna.

A breathtaking viewing platform over the Alps.

An amazing example of Federal-period architecture, truly unique to this region of the state.

Museum devoted to the artificial language of Esperanto.

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."