If you’re looking for culture, activities, wildlife or sheer adventure, Indonesia is one of the richest countries in the world. With an estimated 13,466 islands, it's a whopper too. But Indonesia beyond Bali and Lombok (and the Gili Islands) remains largely unknown to many travelers. To pick just one example, Sumatra (80 times the size of Bali) is almost a world in itself. And yet people ask the question: “Is Indonesia worth visiting?”