Like a jewel dropped into the ocean, Sri Lanka sparkles bright, especially when you have these 10 unforgettable things to do in Sri Lanka. Once named Serendip, then Ceylon, the tear-drop isle might be compact in size, but it heaves with beautiful beaches, UNESCO-listed heritage sites, tea plantations, wildlife, dance, gems, spice, jungles, ancient wonders, Ayurveda and kilo-watt smiles every which way.