The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

An idyllic hotel that gave its name to a supposed shadow government.

Hop aboard a charming bog train to explore this rare open-air museum of peat.

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

An early 20th-century sanatorium, long abandoned and now being reclaimed by nature.

This Belgian palace was long the domain of priests and aristocrats but is now being turned into an art commune.

This museum is housed in an unassuming building that witnessed one of the most daring feats of satire in modern history.

This Belgian theme park began as a refuge for bored church children and was closed down when a boy lost an arm.

A striking memorial to the Jews of Leiden who were murdered during World War II is scattered throughout the city.