Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

The little-known second castle that William the Conqueror built in York.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

Follow the original medieval paths that wind through this intriguing section of the city.

The oldest inn in England served brew to the crusaders.

This effigy of Peter the Great is greatly disproportionate.

Inside the world's largest seed bank, WWII botanists elected to starve to death rather than compromise their collection.

Gargantuan home of Russian science.

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.

Former headquarters of the KGB.

It took over half a century but a Russian monument to a famous and tragic space pup finally stands in Moscow.

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.

Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

This interactive sculpture allows visitors to leave a message in case a friend passes by.

The legendary giant's severed hand sits on Antwerp's popular shopping street.

A man throwing a giant severed hand towers over Antwerp’s main square.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

When you're a great Russian Tsar, even your vomit gets a statue.