France's most famous cemetery, with some of its most curious tombs.

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.

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

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

A museum of magic with a Sadist past.

France's national museum of scientific and industrial instruments.

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

Notorious artist squat renovated into legal studios.

The celebrated eyesore created by starry-eyed sweethearts.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

Gargantuan home of Russian science.

Moscow's imposing monument to the Space Age.

World's largest bell sits on the grounds of the Kremlin in Moscow.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

The home of the Dead Sea Scrolls is an abstract modernist dream.

As the Dead Sea continues to deplete, massive sinkholes open along its banks.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

The former hotel where Tesla invented the radio.

A semi-scholarly approach to sex.