The fall equinox takes place on Saturday, September 22. It’s also Museum Day in the United States.
Nearly 1,500 US museums are participating in Smithsonian magazine’s Museum Day, when institutions in all 50 states and the District of Columbia offer free admission to anyone with a Museum Day ticket.
Museum goers can download tickets for participating museums online by visiting Smithsonian magazine’s website. Tickets provide free admission for two people, and they can be downloaded through 3 p.m. on September 22.