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.

Known as the "Garden Island," Kauai is Hawaii's oldest island and a tropical paradise. Covered with verdant rainforests, glittering waterfalls, and immense cliffs, Kauai will astound you at every turn. This island is the perfect destination for outdoor adventures, with activities from kayaking, to ziplining, to snorkeling. Better yet, marvel at the island's natural beauty, from the scenic cliffsides of Nāpali Coast State Wilderness Park to the resort beaches of Poipu.

Krk, the largest island in the Adriatic Sea, offers a captivating blend of historical charm and natural beauty. The city of Krk, located on the island's southwestern coast, is renowned for its rich cultural heritage and stunning coastal scenery. The city's historical heart is its Old Town, where ancient walls and charming narrow streets lead visitors through centuries of history.

Located in Greece's Lesser Cyclades, Naxos is an island in the South Aegean Sea and popular for its spectacular beaches. A favorite tourist destination, Naxos is home to a variety of ancient ruins, including the Temple of Apollo - Grotta, the Temple of Demeter, and Apano Kastro.

Doubtful Fjord (Doubtful Sound) is a large fjord in southwestern New Zealand, in the same region as the smaller but better known Milford Sound. It is home to an unusually large population of bottlenose dolphins, as well as a variety of birds, fur seals, penguins, and often even humpback whales.