Security guards posted at the doors of 19 museums in DC counted 25 million visits in 2008.
A convergence of factors are bringing record numbers of tourists to Washington DC. There's the glamorous First Family with young children - and President with enough 'rock star' appeal on his own to make staid Washinton a hipper destination.
Then there's the economic crisis - causing many American families to rethink exotic locales with expensive plane rides in favor of places within driving range.
And, there's a ton of free attractions for tourists in DC.
Meanwhile many tourist locations are suffering during the economic crisis.