The sign marks one of the endpoints to mainland Britain's longest overland travel route.

Gargantuan home of Russian science.

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

The tallest hotel in Europe.

Stalinist skyscraper built with help of cryotechnology.

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

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

An art museum inside an active factory.

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

A massive tribute to Estonian history and culture.

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

This charming Latvian lane doubled as Baker Street on the Soviet Union’s version of Sherlock Holmes.

A stone marker and sculpture in the city of Riga stake a claim for the very first community Christmas tree.

The reconstruction of this prominent building fulfilled a long-written command.

3,000 market stands in five former Zeppelin hangars.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

Flamboyant architecture from the turn of 20th century.

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

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

During the Soviet era, the spire of this longstanding church was used as a radio transmission tower.

The Guardian of Tallinn.