Arctic

The Arctic was the region around the Earth's North Pole and opposite of Antarctica.

Circa 1000 B.C. a Vondraxian Orb was buried under the Arctic. It was found in 1953 by archaeologist Edgar Nelson-Stanley. (TWN: Trace Memory)

On May 4th 2010 a GSO geological dig uncovered a Cyber-ship and Cybermen who crashed there ten thousand years before. The Cybermen were reactivated and almost escaped with the help of the expedition members, converted into Cyberslaves, but were stopped by the Eleventh Doctor. (VG: Blood of the Cybermen)

As Earth's population rose to one hundred hundred billion in 2472, several cities in the Arctic such as New Glasgow and New Montreal were created in the 26th century to control overcrowding. Families outside the Arctic cities were restricted to one child. (DW: Frontier in Space)

Sometime before 5000000000 a part of the Arctic, or the whole Arctic became a desert; Cassandra O'Brien.Δ17's mother came from there. This desert region presumably ceased to exist when Earth was restored to its classic state by the National Trust. (DW: The End of the World)