Plus there are a couple of pretty good restaurants and a book store in the museums and underground between the National Gallery and the Modern Art.
Barring something coming up, count me in.... Good recovery adaml.:)
For most people coming in, this might actually be easier.
Pick a convenient metro stop anywhere outside DC and ride in. On weekends, most metro stops do not charge for parking. Check the metros web site for the stops farthest out (end of line). Getting on those will increase your chances of getting a seat. Weekends tend to be very busy.