To climb the highest mountain at the southernmost point of the world, Mount Vinson, trekkers must take an unusual travel route to Antarctica.

“We flew over in a Russian cargo plane, and landed on a blue ice runway that is four miles long. There are no brakes, just reverse thrust to stop the plane,” said David N. Schaeffer, 53, partner and civil litigator at Holland Schaeffer Roddenberry Blitch and the president of the Atlanta Bar Association.