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.

Praslin Island, the second-largest island in the Seychelles, is a tropical paradise renowned for its stunning natural beauty and serene atmosphere. With its lush landscapes and pristine beaches, Praslin offers an idyllic escape for those seeking relaxation and adventure.

Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.

The Beagle Channel, at the southern tip of South America, stretches between Chile and Argentina and offers one of the most striking maritime landscapes in the world. This narrow passage, framed by snow-covered peaks and rocky islands, connects the Atlantic and Pacific Oceans. Its waters are calm compared to the open sea, which has made it a historic navigation route for explorers and sailors for centuries.

Elephant Island, a remote outcrop off the coast of Antarctica, is not your average travel destination. Known for its dramatic cliffs, towering glaciers, and wild, ice-laced seas, this island is both stark and unforgettable. Located 245 kilometers northeast of the Antarctic Peninsula, Elephant Island is rarely visited except by specialized expedition cruises.