Smithsonian Associates

The Smithsonian Associates — a division of the Smithsonian Institution — offers educational and cultural experiences to people of all ages in the Washington, DC area. Each year The Smithsonian Associates creates and presents nearly 1000 individual programs that deliver exceptional  opportunities for learning and growth. Among them are lectures and seminars that simply are not available anywhere else but the Smithsonian, where the very top experts in their fields come to enlighten, challenge and engage you.

http://residentassociates.org/ticketing/index.aspx