During the great age of exploration men risked their lives to set foot upon unknown lands, whether in the humid jungles of Peru or on the barren ice cap of the South Pole. We'll hear those dramatic tales…
… but also where modern exploration is taking us. Could it be to the deepest, darkest part of the sea?
Or to space? Discover how to build a space suit that will let you move like an athlete on Mars. Also, why some say that the ultimate frontier requires no packing and no travel: voyages into the human brain.