Smithsonian magazine's Museum Day is Saturday, meaning nearly 1,500 participating US museums are offering free admission.
All you need to do is download tickets online here. The tickets provide free admission for two people and can be downloaded through 3 p.m. on September 22.
One download is available per email address.
Smaller art museums, historic homes, lighthouses, forts and more are all among the wide range of institutions participating in the fee-free day.
To search for a participating museum in your area, click here.