Thanks @SenBobCasey, and happy #TravelandTourismWeek! One of my favorite places to visit in Delaware is the First State National Historical Park because of its rich history of our countrys beginning. @ChrisCoons, whats one of your favorite spots in the First State? https://t.co/kRgmyyw5E9 https://t.co/5ywO0Pyx4f