No matter what cruise ship you arrive on this city sightseeing hop on hop off bus 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 youll see reykjavik harbor reykjavik pond town hall the national gallery of iceland and the laugardalur thermal pools and spa