Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

Greenland is the largest island in the world, inhabited only by about 60,000 people. It is a country dependent mostly on foreign trade, with about one quarter of its income from fishing. Eight-five percent of the country is covered by ice; in some parts it is 2 miles thick.

Serengeti, Tanzania, is a jewel of the African continent, renowned for its spectacular wildlife and breathtaking landscapes. This iconic destination is synonymous with the Great Migration, one of nature’s most awe-inspiring events. Each year, millions of wildebeest, zebras, and gazelles traverse the Serengeti’s vast plains in search of fresh grazing grounds, creating a dramatic and unforgettable spectacle.

Indonesia is an island republic of Southeast Asia, constituting most of the Malay Archipelago. The country consists of nearly 13,700 islands. Indonesia also shares the island of New Guinea: The western section, known as Irian Jaya (West Irian) and the eastern section is part of Papua New Guinea.

Originating as a tiny fishing village in 1038, modern Kehl has become an important link between Germany and France. Rhine River cruises most often use Kehl as their gateway to the much larger and better-known Strasbourg. The savvy traveler, though, might choose to skip the jaunt across the river and enjoy many similar sights, shopping and cuisine as those offered in the teeming French city.