Anonymous wrote:It costs money to park there, bu Udvar-Hazy is the largest indoor walking area that I know of. That place is huge.
+ 1
Usually the last hour of the day is free. We've often gone just after 4 p.m. (when closing at 5 p.m.) and there were no parking fees. Great space to walk around in any bad weather (too cold, too hot, too rainy).