King David took refuge there, Herod the Great made it the first spa in the world, and Sodom and Gomorrah were said to have been located on its shores. Almost everyone passing through Jordan and Israel goes to “take the waters,” and I’ve always envied the pictures of people floating along, looking like they haven’t a care in the world. According to locals, the Dead Sea — so named because with 34.2 percent salinity, nothing can live in it — is like the Gold Bond ointment of lakes.