Satisfy the culture vulture within at Arp Museum Bahnhof Rolandseck. Check if any guided tours are available or ask a museum employee to direct you to some of the highlights.
You'll soon find out why this Remagen museum is visited by many travelers. If you're looking for other things to keep you busy, Dragon's Rock, Drachenburg Palace, and Schloss Drachenburg are in the area as well. They won't take you very long to get to from Arp Museum Bahnhof Rolandseck.