Glittering treasures, gleaming coins, and eye-catching jewelry…gold can be all of these things, but in some parts of the world it's also an enduring link to the past. Gus Casely-Hayford, director of the Smithsonian’s National Museum of African Art, takes us on a journey through West Africa to learn how gold was the foundation for massive empires—and his own family—and how it continues shining brightly in West African culture today.