Nicolas Schöffer's massive interactive sculpture was assembled in 1961 and brought back online in 2016.

What was once a bustling mining installation is now a bustling hub of contemporary art.

The former home of a trailblazing surrealist is still filled with haunting dolls and grim paintings.

A giant bug impaled on a 75-foot-tall needle.

Most prolific publishing house in the 1600s open to the public.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

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

This sprawling Belgian fort was once thought of as impenetrable but now it is simply an abandoned relic.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

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

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

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.