This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

A historic observatory precariously perched at the "Top of Europe."

The celebrated eyesore created by starry-eyed sweethearts.

The video game-themed street art first popped up in the French city.

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

An immersive projection art installation uses sound, scale, and light to take visitors inside classic works of art.

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

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.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

Paris' linguistic guide to the international language of, yes, love.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

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

This massive library holds what was once the largest book collection in the world.

Notorious artist squat renovated into legal studios.

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

The steepest classic funicular in the world glides along a dizzying incline.

The Liverpool street made famous by the Beatles is real.

The remnants of a depressing public toilet are now a hub of ever evolving street art.

This tiny watering hole claims to have the smallest bar counter in Europe.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

Evans's funeral had one of the largest attendances of any funeral in the history of Wales.

The decaying ruins of Wales' first asylum for the mentally ill.