Greta Van Susteren @greta
This is probably the most popular museum in DC…it always has lots of people walking through it..here is a secret:there is a second one outside Washington near Dulles airport…few people know about it and it is great, too — PolitiTweet.org
National Air and Space Museum @airandspace
It's our birthday! On this day in 1976, we opened our Museum in DC in style: a signal from the Viking 1 spacecraft… https://t.co/RZ45FPePcA