Climate of the Arctic continuously, with 30 stations in the Arctic from 1950 to 1991. These stations collected data that are valuable to this day for understanding the climate of the Arctic Basin. shows the location of Arctic research facilities during the mid-1970s and the tracks of drifting stations between 1958 and 1975. Another benefit from the Cold War was the acquisition of observations from United States and Soviet naval voyages into the Arctic. In 1958 an American nuclear submarine, the "Nautilus" was the first ship to reach the North Pole. In the decades that followed submarines regularly roamed under the Arctic sea ice,
Pole to Pole flying there on a small aeroplane fitted with skis. The North Pole scene was filmed in May 1992, after the rest of the series had been shot, as weather conditions were more suitable then as the ice was too fragile the previous year. From there, he heads to Greenland, then the Norwegian island of Spitsbergen, where the towns of Ny Ålesund and Longyearbyen are located. From there he sails across the Barents Sea on a supply ship to the Norwegian port city of Tromsø, where he visits a statue of Roald Amundsen, the first man to reach the South Pole.