Ol Doinyo Lengai, often called the "Mountain of God," is an active volcano located in northern Tanzania and is a must-visit for adventurous travelers. Towering over the Great Rift Valley, this majestic peak is unique due to its lava composition. Unlike most volcanoes that produce molten lava, Ol Doinyo Lengai emits natrocarbonatite lava, which is unusually cool and flows like water. This rare phenomenon makes it one of the most intriguing volcanic landscapes on Earth.

Capital of Martinique, a French overseas territory, Fort-de-France is a veritable island paradise replete with striking colonial architecture, exotic flora and fauna, verdant nature parks, and sparkling beaches. Highlights of this vibrant island capital include the colorful Jardin de Balata, the cascading Fontaine Didier waterfall, and the expansive Schoelcher Library.

Milford Sound, located in New Zealand’s Fiordland National Park, is often described as one of the most awe-inspiring landscapes in the country. Carved by glaciers during the Ice Age, the fjord is framed by sheer cliffs that plunge into deep waters, with iconic peaks like Mitre Peak rising dramatically above the sound.

Réunion, a French overseas department in the Indian Ocean, lies east of Madagascar and combines European and Creole influences in a tropical setting. Its volcanic landscapes, lush forests, and coastal towns make it an extraordinary destination for those seeking both culture and nature.

This 2,000-year-old city, where the Teutonic Order founded one of its first commanderies in the 13th century, lies on the convergence of the Moselle and Rhine Rivers.