Shake those winter doldrums! Plus through class level Challenge 2 dance from 4 to 8 pm with a potluck dinner around 5:30 pm. Short walk from Philadelphia 30th Street AMTRAK and SEPTA station as well as Mega Bus and Bolt Bus stops in Center City. Off-street parking in garages next door and across the street as well as lower cost, open-air lot at Sansom and 23rd Streets.