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

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

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This massive monument honors the first human in space.

Gargantuan home of Russian science.

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.

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

One of the world's tallest statues is also one of its most hated.

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

This effigy of Peter the Great is greatly disproportionate.

Perhaps the tiniest sculpture in Saint Petersburg is a little bronze finch inspired by a song.

A scale model of Russia so big visitors are offered binoculars to rent so they can see the whole thing.

An ever-growing literary collection housed in the apartment where the Russian author penned his final novel.

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

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

The ancient settlement attracts tourists from all over looking to learn about the Chinese vision of the afterlife.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

Antique cinematography artifacts fill this museum dedicated to the inventors of the moving picture.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

Monsters and miniatures are held in equal esteem at this wondrous museum.