Mark Your Calendars: From Festivals to Sports to Music, Summer Fun Returns to Philly Visitors and locals can explore new exhibits at some of Philadelphia's most popular museums and watch their favorite sports teams play live as stadiums return to full capacity. You can even enjoy a drink at outdoor beer gardens and head to festivals By Hannah Gross • Updated 3 hours ago What to Know Philadelphia is lifting its remaining COVID-19 restrictions on June 11, allowing for the return of popular events. Many music, art and food festivals will return outdoors or in a hybrid format this summer. Events will require varying degrees of COVID-19 safety protocols, such as wearing facial coverings and social distancing from others.