Most museums are open daily from 10 a.m. to 5:30 p.m.
The American Art Museum and Portrait Gallery
are open 11:30 a.m. to 7 p.m. All are closed Dec. 25.
Women on MoneyIn June 2015 Secretary of the Treasury Jacob Lew announced that the 10 dollar note will be redesigned to feature a historic woman. Women have appeared on money from ancient times to the present day.
Graffiti in SpaceAstronaut graffiti, unseen for almost 50 years, presumably written by the Apollo 11 crew during their historic flight to the moon.