There is a place on Earth where you can stand in four countries at once.

This is a common misconception. Previously, there was a point in Africa, near the Zambezi River, where it was mistakenly believed that the borders of Zambia, Zimbabwe, Botswana, and Namibia met. After more precise measurements, it has been determined that there are only two very close tripoints, with the Chobe River forming a narrow corridor between them. There is no exact point where four countries meet.