Roseau, the capital of Dominica, is nicknamed “the nature island” for good reason. The island, flanked by Guadeloupe and Martinique, offers some of the Caribbean's most stunning landscapes. Explore the Boiling Lake, a natural wonder, and trek through Morne Trois Pitons National Park, a UNESCO World Heritage Site that teems with wildlife. Holland America Line's excursions in Dominica showcase its rich biodiversity and vibrant culture.