A replica of the straw hut where Vladimir Lenin lived in hiding, disguised as a hay farmer, in 1917.

Perhaps the tiniest sculpture in Saint Petersburg is a little bronze finch inspired by a song.

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

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

Gargantuan home of Russian science.

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

Stalinist skyscraper built with help of cryotechnology.

The tallest hotel in Europe.

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

Former headquarters of the KGB.

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

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.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Climb to the top of the world's largest seated bronze Buddha.

Remnants of the most densely packed city in world history, that thrived on anarchy for 30 years.

This hulking behemoth is actually five interconnected towers built in the 1960s.

A small and surprising passageway in Saint Petersburg devoted to the Beatles.