This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

Lost subway station nestled beneath Toronto's busy commuter line.

A monument to Malchik, a stray dog who lived in a Moscow metro station until his tragic death.

Some Moscow residents once claimed the bizarre, contorted mass of metal on top of the building was used to manipulate minds.

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

This newly renovated Soviet-era outdoor exhibition center is bigger than the principality of Monaco.

Gargantuan home of Russian science.

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

Dozens of padlock-trees along the Moscow River.

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

Moscow's imposing monument to the Space Age.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.

Former headquarters of the KGB.

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

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

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.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

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

A geometric jumble of homes.

This impressively complicated radioastronomy research center was once a tool of Soviet spies.

A black cat protests the City Guild in Riga's Old Town.

The oldest housing complex in Riga is a mini timeline of architectural trends.