The O Circuit lies inside Torres del Paine National Park, one of Chile’s most famous protected areas. The park is in southern Patagonia, known for its dramatic landscapes including:

Thousands of travelers attempt the summit every year. Many succeed because the routes are organized and supported by professional guides. Reaching the top is seen as a personal achievement rather than a mountaineering victory.

Dresden is located in the state of Saxony along the Elbe River. The city is known for its baroque architecture and art collections. It was heavily bombed in 1945 and later rebuilt.

Mount Elbrus rises to 5,642 meters in the Caucasus Mountains of Russia. It is the highest mountain in Europe by geographical classification.

Before 1902, K2 had not been seriously approached for climbing purposes, although it had been surveyed and named during the Great Trigonometric Survey of British India.