Amundsen-Scott Station (USA, est. 1957)
Alt 2,835m. Winter pop: 50. IceCube Neutrino Observatory — 5,160 sensors frozen into 1 km³ of ice, detecting particles from across the universe.
South Pole Lake (SPRI-70)
Subglacial lake at -89.97, 10km long, under 2,857m of ice.
Clean Air Sector
No-fly zone. Upwind sector kept pristine for atmospheric monitoring. CO2, ozone, and aerosol baselines measured here since 1957.