This sustainable capital city will charm you with its beautiful sea-facing landscape, diverse architecture and world-famous design. While the city is modern and lively, the archipelago and green forests are quickly reached via an efficient public transportation system for those looking for nature. Helsinki's neoclassical buildings were often used as a backdrop for films set in the Soviet Union including The Kremlin Letter (1970), Reds (1981), and Gorky Park (1983).