Dan Morgan

A glacier in Half Moon Bay, Antarctica, Feb. 18, 2018.

200 years of exploring Antarctica — the world’s coldest, most forbidding and most peaceful continent

Early explorers were drawn there by the mythology of Terra Australis, a vast southern continent that scholars imagined for centuries as a counterweight to the Northern Hemisphere. Others sought economic bounty from hunting whales and seals, or the glory of conquering the planet’s last wilderness. Still others wanted to understand Earth’s magnetic fields in order to better navigate the seas.