No matter what cruise ship you arrive on, a hop-on hop-off sightseeing tour is the perfect do-it-yourself shore excursion in Reykjavik. See the essential sights aboard an open-top, double-decker bus. As you explore this trendy, modern city that also manages to stay close to its unspoiled nature, you'll see Reykjavik harbor, Reykjavik pond, town hall, the National Gallery of Iceland and the Laugardalur thermal pools and spa.