The National Mall Building
in Washington, DC will be open for extended holiday hours on select dates during 2013:

The following list of late closings will be updated as information becomes available.

The Steven F. Udvar-Hazy Center
in Chantilly, VA will be open for extended holiday hours on select dates during 2013:

The following list of late closings will be updated as information becomes available.

The National Mall Building in downtown Washington, DC will close late on the following dates and times:

5:30 pm on Saturday, May 18, 2013
5:30 pm on Friday, May 31, 2013
5:30 pm on Tuesday, June 11, 2013
5:30 pm on Tuesday, June 18, 2013

The Steven F. Udvar-Hazy Center in Chantilly, VA will close late on the following dates and times:

5:30 pm on Tuesday, June 11, 2013
5:30 pm on Tuesday, June 25, 2013