Murmansk is close to the arctic circle, the world's top location to see the aurora borealis or northern lights, the most breathtakingly beautiful natural phenomenon in winter. Visit the landmark building of Russia - St Basil Cathedral, Visit Moscow underground, the most efficient and extensive metro system in the world , Discover Murmansk city, the world's largest city in Arctic Circle , Experience the first surface ship with nuclear power plant - Nuclear- powered Icebreaker "Lenin" , Experience the Sledge pulled by Reindeers and visit the Husky farm, Experience Northern Lights Hunting Visit the largest and most ornate church in St Petersburg - St Isaac Cathedral , Peterhof - The favourite summer residence of the Russian emperor Peter the Great.