Moscow's imposing monument to the Space Age.

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

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

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

A memorial to honor those who were killed in a Bastille Day terror attack in Nice.

Napoleon's childhood home is now open for people to explore the beginnings of France's short general.

This Corsican Neolithic site is full of pre-Roman megalithic structures that may or may not be penises.

This massive blockhead sculpture hides an entire library.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

A 15th-century Corsican chapel that possesses a rare Catholic monument: a "Scala Santa," or "Holy Stairs."

A breathtakingly steep set of stairs is carved directly into the face of the sea cliffs of Bonifacio.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

This saucy statue once caused outrage among locals.

During the Soviet era, the medieval capital of Volga Bulgaria served as a substitute for Mecca.

Once a luxurious flagship of the Soviet Union, this Brutalist structure remains a landmark of Tashkent’s communist past.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

A small but immensely extravagant palace built by the "Night King."

Replica of mosque destroyed by Russia in the 16th century.

Russia's own leaning tower was built on a tragic historical fable.

A contemporary art installation housed within a Gothic cathedral.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

This colorful statue welcomes visitors to a Barcelona park.

An early 20th-century bullring converted into a modern shopping center.

Gargantuan home of Russian science.