Celebrate the season with the Historical Society of Washington, D.C.! From Dec. 10 to 13, the DC History Center, 801 K St. NW, will have extended hours and remain open until 7 p.m. Gather your friends for a nightly hot cocoa and cookies “Sip and Shop” event and enjoy holiday shopping in the DC History Center Store. Join your neighbors for nightly @DCHistory Instameets and take part in their new Carnegie Library “photo Bingo” scavenger hunt. Plus, exchange your completed Bingo cards for 10% off your purchase in the store.