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.

Kakadu National Park, a UNESCO World Heritage site located in Australia’s Northern Territory, is a breathtaking destination that offers an unparalleled blend of natural beauty, ancient cultural heritage, and thrilling adventure. Visitors can explore a rich tapestry of landscapes, from rugged escarpments and floodplains teeming with wildlife to serene waterfalls and billabongs that capture the essence of Australia’s Top End.

Almost every modern scene in Constanta, Romania, is juxtaposed against 4th century Roman relics.

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.

A true destination, Alyeska is Alaska's biggest ski area. At the summit sits Mt. Alyeska Roundhouse, the state's only mountaintop museum.