The silly symbol for an underground protest group is now scattered around the city.

Museum dedicated to "the man who moved the Earth."

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

An underground city of salt.

An iconic Soviet statue of working-class people.

This effigy of Peter the Great is greatly disproportionate.

This late-brutalist masterpiece everyone forgot about was originally created to get the proletariat jazzed about the arts.

The composer did some of his finest work in this country home, including "The Nutcracker."

Russia's own leaning tower was built on a tragic historical fable.

Rare documents, old instruments, and gruesome specimens showcase the history of military medicine.

An abandoned 14th-century castle and prison complex on a small island in the Neva River.

The Nazis lost more men trying to take this Russian-held Stalingrad apartment block than they did when taking Paris.

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

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

This massive monument honors the first human in space.

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

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

The world's tallest statue of a woman wields the world's tallest sword and is at risk of toppling over.

Stalinist skyscraper built with help of cryotechnology.

Home of the future Emperors of Russia.

Replica of mosque destroyed by Russia in the 16th century.

A city block packed with whimsical sculptures that seem to be plucked from a tiled fantasy world.