From September 29 through October 23, visitor access is limited to the Great Hall of Washington History only while we install new exhibitions in our galleries on the 5th floor. We are offering 1/2 price ticketing during this time. Simply enter discount code: historyisback to receive 50% off. If you enter no discount code you will be charged full price and the difference will be considered a donation to the Society - Thank you! WELCOME BACK!