Polar regions of Earth
The southern polar region has no permanent human habitation. McMurdo Station is the largest research station in Antarctica, run by the United States. Other notable stations include Palmer Station and Amundsen–Scott South Pole Station (United States), Esperanza Base and Marambio Base (Argentina), Scott Base (New Zealand), and Vostok Station (Russia).
Pole of Inaccessibility (Antarctic research station)
The Pole of Inaccessibility Research Station () is a defunct Soviet research station in Kemp Land, Antarctica, at the southern pole of inaccessibility (the point in Antarctica furthest from any ocean) as defined in 1958 when the station was established. Later definitions give other locations, all relatively near this point. It performed meteorological observations from 14 to 26 December 1958. The Pole of Inaccessibility has the world's coldest year-round average temperature of .