A beer pipeline runs beneath Bruges.

Climb inside an iron crystal magnified 165 billion times its normal size.

Brussels' favorite peeing boy has a sister.

Cozy basement bar sports an inventory of over 2,000 beers.

The Devil’s own choice when he needs a drink in Brussels.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

A modern reimagining of a medieval city gate.

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

A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

A huge teapot illuminates a home for the elderly.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

A statue of the second-tallest Dutchman in history.

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

Where royalty waits in the height of luxury.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

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

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

This monumental mural crafted nearly 40 years ago is still in perfect condition.

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

Made up of 3,200 recycled glass bottles, this tree pays homage to Asturia's love of cider.