Most museums around the country are open again and waiting for your visit. And while you will still want to wear a mask and keep your distance from other patrons when you do stop in, on Saturday, September 18 you may be able to visit your favorite museum for free.

Saturday is Smithsonian magazine’s Museum Day, when many museums, attractions, and gardens around the country offer admission for free to anyone who has downloaded a free ticket.

For The Points Guy site, we put together this list of Air & Space museums on the free-ticket list that are certain to please avgeeks. You can read more about the museum in the article and search the Museum Day website for a participating museum near you.

Seattle, WA:  The Museum of Flight (regular adult admission: $25) welcomes Museum Day ticket to the museum’s new exhibit, Stranger Than Fiction – The Incredible Science of Aerospace Medicine, and everything else in their vast collection.

Titusville, FL: American Space Museum (regular adult admission: $10): Exhibits include everything from spacecraft parts to astronaut suits and Soviet cosmonaut mementos.

Hutchinson, KS: Cosmosphere (regular adult admission: $24.50) In addition to having the largest collection of Russian space artifacts outside of Moscow, this museum boasts a collection of U.S. space artifacts that it claims is second only to the Smithsonian’s National Air and Space Museum.

Dallas, TX: Frontiers of Flight Museum (regular adult admission: $10). This museum on the southeast corner of Dallas Love Field and has more than 40 air and space vehicles, 20 galleries (including the Braniff Gallery, the Golden Age Gallery, and a gallery devoted to the history of Southwest Airlines).

New York, NY: Intrepid Sea, Air & Space Museum (regular adult admission: $33) is a legendary aircraft carrier and a National Historic Landmark that is big enough to house 28 aircraft, the space shuttle Enterprise, a British Airways Concorde, and Growler, the only guided missile submarine open to the public.