From glaciers capping volcanoes to Viking ruins coexisting with geothermal baths and geysers, the natural wonder of Iceland is revealed on this 8-night cruise round-trip Reykjavík aboard the deluxe World Traveller — a small ship able to glide into ports inaccessible to larger vessels and to alter course as ethereal waterways, rugged fjords and magisterial glaciers unfold before you. Explore cosmopolitan Reykjavík on a city tour that includes visits to the National Museum of Iceland and Hallgrímskirkja Church. Cruise into Siglufjörður to visit its Herring Era Museum, which recreates the history of fish salting during the early 20th century. Savor the breathtaking scenery of Lake Mývatn and see the “dark castle” lava formation of Dimmuborgir. Cross the Arctic Circle as you near the coast of UNESCO-designated Surtsey, one of Earth’s youngest islands. Immerse yourself in Iceland’s primal landscapes at the best time of year, when the midnight sun of the summer solstice melds into lingering twilight.