Watermelons probably originated almost 5,000 years ago in the Kalahari Desert of Africa where botanists have found its wild ancestors still growing. Watermelons migrated north through Egypt, and during the Roman era they were cultivated and prized. Hieroglyphics on the walls of Egyptian buildings tell stories of their harvest. Watermelons were buried in the tombs of kings to nourish them in the afterlife. Melons spread across the European continent and...