Most of our D.C. weekend was not sightseeing, but just chilling out, together or occasionally separately. (The kids loved the Mighty Jack and Zita the Spacegirl graphic novels we got them….)
https://smile.amazon.com/Migh…/dp/1626722641/ref=sr_1_1…
https://smile.amazon.com/Zita…/dp/1596434465/ref=sr_1_1…