The Kasubi Tombs in Kampala, Uganda. Why it's notable: It is a UNESCO World Heritage Site. It serves as the burial site of four Buganda kings (Kabakas) and is a spiritual and cultural center for the Baganda people. The main structure, called Muzibu Azaala Mpanga, is a massive circular building thatched entirely with grass and built using traditional Ganda architecture techniques. Dimensions and Facts: The house is made of wood, reeds, and grass without nails. It covers an area of over 26 hectare