This East Coast gem is rich in beauty, culture, and history.Overlooking Benjamin Franklin Parkway in Philadelphia.Credit: SeanPavonePhoto/Adobe StockPhiladelphia, PennsylvaniaVisit Independence National Historical Park to see the Liberty Bell and Independence Hall, then explore nearby Old City landmarks like the Betsy Ross House.Stay at the Four Seasons Philadelphia at Comcast Center for the ultimate in luxury, or dine at its restaurants for unp…