There are so many museums and institutions to visit in DC. Here are links to some of the public places that may be of particular interest.
Every museum that is part of the Smithsonian Institution has free access. Check out the website to plan your visit to any of the 19 museums, gardens, or the zoo while you're in town. The newest SI museum, the National Museum of African American History & Culture, is wonderful if you can land tickets! Unfortunately, group tours are not available at this time, but timed entry passes for November will open on August 2. Conference attendees should keep an eye out for that on the website, and be aware that these free tickets go quickly! Please click on this link to learn about how to get timed entry tickets to this amazing museum.Newseum or the International Spy Museum. You can find a list of museums, free and paid, on DC's official tourism site.