One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A hands-off space for graffiti artists to hone and display their skills.

Underneath a chalk hill in France lies what Hitler hoped would be the underground launching base for a devastating new weapon.

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

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

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

The very center of Paris is surrounded by a bevy of strange good luck rituals.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

The celebrated eyesore created by starry-eyed sweethearts.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

A little sculpture with a large wardrobe.

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

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

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

The world's only museum devoted to the wonders of fluorescence.

The history and future of cannabis.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.