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

Former headquarters of the KGB.

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

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

The "Mystery and Company of Merchant Adventurers" is an Elizabethan-era hangout in Moscow.

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

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

In the shadow of a former battleground, the resting place for nearly 2,000 soldiers who died in World War I.

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

An enormous pair of straw sandals woven in the traditional way—to keep demons at bay.

Despite many attempts to finish this overpass, it has been abandoned since the 1970s.

These upturned herring boats make nifty storage sheds for fishing goods.

This five-star hotel was originally a swanky parking garage.

Forlorn amidst a thicket mere feet from a cliff's edge stands a solitary headstone that appears completely out of place, a haunting symbol of a once-thriving town now lost to the relentless forces of nature.

Isambard Kingdom Brunel, one of the great Victorian engineers, was the driving force behind the short-lived atmospheric railway.

It was once nicknamed "the most bombed hotel in Europe."

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

This landmark Victorian folly rewards visitors with spectacular views over the Peak District.

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

Museum about life, death, and cannibalism in the Stone Age.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.