If you're stuck inside and suffering from snow boredom, we found two options on the National Mall.
The museums were able to open because enough security members and building maintenance workers were able to get to work, according to Smithsonian museum spokeswoman Linda St. Thomas.
The Natural History Museum was also open Monday, she said, and about 1,200 people showed up to check it out.
Smithsonian officials have not decided if they will be open on Wednesday. That decision could come Tuesday night.