If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

Notorious artist squat renovated into legal studios.

Mosaics created from 11 million cigar bands.

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

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

This cheese shop also houses a museum devoted to Dutch dairy.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

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

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

A public urinal so pretty, it was declared a national monument.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

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

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

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