The attic of a four-century-old canal house hides a clandestine church.

A floating cat sanctuary on an Amsterdam canal.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

A miniature city, once ruled by the Queen of the Netherlands.

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

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

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

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