Jim Cotter speaks with Emilio Gravagno. The veteran double bassist plays his final concerts as a member of The Philadelphia Orchestra this week.
Susan Lewis visits the Philadelphia Museum of Art's retrospective on the 20th-century artist Arshile Gorky, whose work is seen as a bridge between surrealism and abstract expressionism.
Tom Keels takes us to Penn Treaty Park. The site celebrates a late 17th-century agreement between William Penn and local Native Americans that made possible the founding of Pennsylvania.