Gargantuan home of Russian science.

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

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

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.

An office built to look like a giant basket.

Open-air museum with a large collection of Soviet-era statues.

A small monument in Lithuania marks the geographic center of Europe—or at least one of the claimants.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

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

Flamboyant architecture from the turn of 20th century.

This atmospheric spot in Pärnu's historic old town is located in a 17th-century almshouse.

The narrow passages will challenge even the bravest driver.

This striking royal residence is the largest Renaissance-style castle in Scandinavia.

Nordic giants resurrected from the sea and restored to their former greatness.

Old Danish castle immortalized in Shakespeare's Hamlet.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

If you visit Santa's village, you can get your passport stamped to show you crossed into the Arctic Circle.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

An abstract monument to a symphonic composer.

Sweden's "good old days" painstakingly re-created in a model village.

It houses the remains of a 17th-century version of the Titanic.