If your flight is delayed or you arrive early at PHL, take advantage of the attractions. Take a selfie at the Liberty Bell made out of LEGOs at Terminal A-West, then read or exchange a book at Terminal A-East. In Terminal B, you'll find multiple tablets, and Terminal E has a kids'play area. There's a Quiet Room in the D-E connector and various art exhibits on display throughout the terminals. Or you can catch some sleep at the Minute Suites at Terminal A-B Link.