"Lucy's Legacy: The Hidden Treasure of Ethiopia" (2013) focused on current scientific theory on human evolution and how the discovery of Lucy (Australopithecus) continues to influence our understanding of human origins. Discovered in the late 20th century in Ethiopia, Lucy is the oldest and most complete adult fossil of a human ancestor that has been found in Africa to date. After being exhibited at the Bowers Museum, the rare and fragile hominid fossil was returned to the National Museum of Ethiopia in Addis Ababa, Ethiopia. The tour of Lucy was controversial and subsequently casts have been circulated instead. The international exhibition was organized by the Houston Museum of Natural Science in collaboration with The Ministry of Culture and Tourism of the Federal Democratic Republic of Ethiopia and the Ethiopian Exhibition Coordinating Committee.