PHILADELPHIA - In Philadelphia, historic landmarks in Old City reopened Monday in addition to casinos and gyms, while several museums announced plans to reopen throughout the week.For the first time in more than a month, small signs of life along the city's Ben Franklin Parkway. "We absolutely missed having visitors in our building and are so excited to be able to reopen," CEO of The Franklin Institute Larry Dubinski said.After being shut down for months in the spring and again in November, the doors will be reopening again this week and hopefully for good."The cultural institutions in this town are amazing and they bring not only people from the region but from all over the world that come here and visit.