This former guildhall with a bacon-like exterior is now home to a museum covering 600 years of Antwerp's musical history.

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

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

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.

A glamorous hotel that once accommodated French resistance fighters and concentration camp survivors.

The history of radiation is on safe display at the foot of a radiation science laboratory.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The narrowest street in Paris.

A surrealist timepiece by the artist of melting clocks.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

This bridge was constructed from the rubble of the infamous Bastille.

One of Jeff Koons’s largest sculptures and his first commemorative work.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

The headless bodies of more than 1,300 guillotined victims of the Reign of Terror are buried here in mass graves.

Stocking up on the world's best beer requires a pilgrimage to a monastery drive-through.

This memorial museum chronicles the apocalyptic destruction of the First World War.