This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

An unsettling sculpture of a boy hanging out in a street in Ghent has been baffling visitors for years.

Each time a baby is born in Ghent, these streetlights flash in silent celebration.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

A condensed piece of China floating in a Dutch harbor.

This museum features over 100 playable pinball machines, some dating back to the 1850s.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

An interactive exhibition space dedicated to the kinetic sculptures of Swiss artist Jean Tinguely.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

The largest mosque in Germany.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

This 19th-century zoological collection has withstood the test of time.

Banished from town, this local jester concocted a clever return.

A small statue commemorates a centuries-old event that still hangs over the people of Leuven.

A tiny metropolis resides inside this student housing complex.

A monumental toilet that is also host to rare plants.

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.

An installation that makes understanding the size of the universe a walk in the park.

This unassuming stone bollard is a centuries-old marker denoting the center of the city.

Though they might seem like arbitrary scratches in the wall, these were once official measures of length.

Where George Lemaître discovered the expanding nature of the universe.

A replica of a 17th-century map of the stars stands in the courtyard of a Belgian university.

This statue of a studious young woman stands at the site of Leuven's first college to accept female students.