This 444-mile Amtrak Route Showcases the Scenic Heart of PennsylvaniaβFrom Amish Country to a Famous Horseshoe Curve Travel + Leisure | Travel Reviews, News, Guides and Tips By:Abby Price 14 July 2026 at 19:00 Itβs one of the most beautiful ways to see the Keystone State. Β© <p>Amtrak</p>