On Thursdays, 5 to 8 p.m., the Thomas Jefferson Building at the Library of Congress is open for extended hours. Visitors are invited to enjoy happy-hour snacks and drinks available for purchase in the Great Hall, while immersing themselves in the exhibits, collections and programs. The series regularly features special conversations, music, performances, films and displays that showcase the holdings. Tickets for Live! At the Library are required and are available on a first-come, first-served basis. www.loc.gov/live
