Share this postJen and Greg TravelCologne to Heidelberg PhotosCopy linkFacebookEmailNotesMoreCologne to Heidelberg PhotosKölner Dom Inside the Cologne CathedralGreg having a Kölsch beer. (Kölsch originated in Cologne.)The view from Philospher’s Way, overlooking Old Town and Heidelberg CastleCrossing the Old BridgeThe squares in Old TownThe view from Heidelberg CastleInside the Castle walls | The Heidelberg TunThe Neckar River running through Heidelberg