1 Best Sight in Hammat Gader, Lower Galilee

Popular with Israelis—who come for the freshwater and mineral pools, giant waterslide, alligator farm, performing parrots, petting zoo, and restaurants—this place has history, too: in its heyday, it was the second-largest spa in the Roman Empire (after Baiae, near Naples). There's a hotel, a spa, and restaurants here, too.