Russia is the largest land mass nation in the world it stretches from Eastern Europe in the West as far as the Eastern borders of Asia in the East and from the black sea in the South to the edge of the Arctic in the North. Russia also has many different landscapes and also several wildernesses. The population is nearly 80% concentrated in Eastern Europe where all the major conurbations are. Tourism to Russia usually means travelling to one of the major cities where you can find fantastic museums, art galleries, opera houses and ballet companies. Outside of these cities you can find places such as the warm subtropical Black Sea coast of Russia, which is the site for a number of popular sea resorts, like Sochi, the follow-up host of the 2014 Winter Olympics. The mountains of the Northern Caucasus contain popular ski resorts such as Dombay. The most famous natural destination in Russia is Lake Baikal, the Blue Eye of Siberia. This unique lake, the oldest and deepest in the world, has crystal-clear waters and is surrounded by taiga-covered mountains. Other popular natural destinations include Kamchatka with its volcanoes and geysers, Karelia with its lakes and granite rocks, the snowy Altai Mountains, and the wild steppes of Tyva.