This demon atop the Notre-Dame de Paris looks utterly bored.

The celebrated eyesore created by starry-eyed sweethearts.

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

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

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

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

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

An undulating wicker beast looms peacefully atop a sand dune in Belgium.

A rare example of World War I trenches from the British front.

A little sculpture with a large wardrobe.

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

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

Lavish royal estate punctuated with heated greenhouses.

Climb inside an iron crystal magnified 165 billion times its normal size.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

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

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

This ghost town in Belgium will lose its street art when it ceases to exist.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Not far from the bustle of Kuala Lumpur is an amazing waterfall that navigates seven vertical drops.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

San Francisco's newly reopened hands-on science museum.