The exploration of North Pole has a long history. It is known North Pole fact that the first man who cross Arctic Circle was Greek geographer and explorer Pytheas of Massilia at about 320 BC. So he is considered a first Polar explorer. The first North Pole map was made by D. Gerasimov, Russian sailor, in the first half of XVI century. But nevertheless the main steps of North Pole discovery were made much later – in the beginning of the last century. Explorers and enthusiasts tried to achieve North Pole using all possible ways – dog sleds and planes, dirigibles and nuclear icebreakers, skis and parachutes.However there are a lot still unknown North Pole facts and discovery of the North Polestill continues.