Through the Post Box, up the Dragon's Back, down the Chute and over to the Puzzle Box. Last fall the world followed, via tweets, blogs and videos, as scientists negotiated these fancifully named landmarks of the underground system of caves known as Rising Star just outside Johannesburg, South Africa. The tight squeezes and steep drops made for difficult, dangerous work. The researchers, however, had their eyes on the prize: fossilized remains of an extinct member of the human family. Paleoanthropological fieldwork is usually done in secret, but this time the scientists posted thrilling multimedia missives along the way for all to see.