Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

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

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

An unusual but excellent display created in the 1930s as propaganda against the Freemasons.

This postmodern apartment block was designed to be a vertical neighborhood.

An eerie collection of the surviving structures from a past celebration of the future.

A once-secret library of Freemason history in Catalonia.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

A stately palace has been converted into the world's largest cannabis museum.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

Mountain where Jesus was first tempted by the Devil.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.