The North Pole is the northern end of the Earth’s axis, lying in the Arctic Ocean, about 450 miles (725 km) north of Greenland.
North Pole, Definition, Location, Explorers, & Facts
Mystery of the Arctic Ice: Who was First to the North Pole
Reaching the South Pole During the Heroic Age of Exploration
The Arctic Map: Regions, Geography, Facts & Figures
The South Pole - Antarctica
Newcomers' Guide: North Pole vs South Pole Expeditions » Explorersweb
North Pole - Wikipedia
North Magnetic Pole
10 things you never knew about the North Pole
Wandering of the Geomagnetic Poles
Northwest Passage, Definition, Explorers, Map, & Facts
North Pole
North Pole - Wikiwand
Does the North Pole still matter?
Who owns the Arctic and should they drill for oil and gas?