Keep going south until you can go south no more and you wind up at McMurdo Station, a scientific outpost in the Antarctic. 

The original Wikipedia page lives at: https://en.wikipedia.org/wiki/McMurdo_Station

From ChatGPT: McMurdo Station is a research center located in Antarctica, operated by the United States. It is the largest community in Antarctica, and the primary logistics hub for the US Antarctic Program. The station is named after Archibald McMurdo, a Scottish naval officer who served on board HMS Terror during the Ross expedition of 1841-1844.

The station is located on the southern tip of Ross Island, a volcanic island located near the continent's Ross Ice Shelf. It was established in 1955 and has since served as a base for a wide variety of scientific research, including studies of geology, glaciology, meteorology, and marine biology. The station also serves as a staging ground for exploration of the surrounding areas, including the Ross Ice Shelf, the Dry Valleys, and the Transantarctic Mountains.

McMurdo Station has a population of around 1,000 people during the summer months, but the population drops to around 200 during the winter due to the harsh weather conditions. The station is equipped with a variety of facilities, including housing, dining halls, laboratories, and recreational areas.

The station is supplied by ships and aircraft that bring in personnel, supplies, and equipment. The station has its own runway, which is capable of accommodating large aircraft such as the C-17 Globemaster III. The station also has an ice pier, which is used for offloading cargo and personnel from ships that cannot dock at the shore.

Overall, McMurdo Station is an important center for scientific research in Antarctica, and plays a crucial role in advancing our understanding of the continent and the wider global environment. It is also a remarkable example of human resilience and innovation in one of the harshest and most remote regions of the world.