The world's first museum dedicated to the work of game-changing naturalist Charles Darwin.

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

The tallest hotel in Europe.

Moscow's imposing monument to the Space Age.

Former headquarters of the KGB.

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

A sculpture park of the tossed aside relics of the USSR, from Stalin to a massive Soviet emblem.

Its front wall is striped with a menagerie of fantastic beasts and magnificent monsters.

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

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

Museum celebrating the achievements of the Soviet space program.

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

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

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

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

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

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

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.