Smithsonian.com

Close-up of the clock face on the Smithsonian Castle's clock tower. Photo by Erik Long.

Are you stuck in the office, ticking away the moments that make up a dull day? Do you fritter and waste the hours in an offhand way? Well, fortunately for you several Smithsonian museums are offering extended hours throughout the spring and summer, allowing you to spend your evenings to explore the worlds of possibility that the Smithsonian offers. (And let’s not forget you tourists out there who are fretting about not having enough time to see all you want to see.) Hurry—this is a limited time offer as the extended hours will run through the Labor Day weeekend!

National Museum of Natural History: Open 10:00 AM to 7:30 PM.

National Air and Space Museum: Open 10:00 AM to 7:30 PM.

National Museum of American History: Open 10:00 AM to 7:30 pm, through April 16, with summer hours to be announced by the end of April.

National Air and Space Museum Udvar-Hazy Center: Open 10:00 AM to 6:30 PM.