Chuuk, one of the four states of the Federated States of Micronesia, is best known for its vast lagoon which is one of the largest enclosed lagoons in the world. But what sets Chuuk apart is what lies beneath those calm blue waters: an entire underwater fleet of sunken warships, aircraft, and submarines left from World War II. Often called the "Ghost Fleet of Truk Lagoon," these wrecks make Chuuk a global destination for experienced divers.

Lifou Island, the most populous of the Loyalty Islands in New Caledonia, is a flat, former coral atoll with abundant vegetation and surrounded by secluded coral reefs which many say offer some of the best snorkeling in the world.

Ngorongoro, Tanzania, is a destination where breathtaking landscapes and abundant wildlife converge in a truly unique way. Nestled within the Ngorongoro Conservation Area, this region is renowned for the Ngorongoro Crater, a UNESCO World Heritage Site. This ancient caldera, formed by a volcanic eruption millions of years ago, creates a natural amphitheater teeming with wildlife.

Glacier Bay’s untouched beauty will astound you. A National Park and Preserve, as well as a UNESCO World Heritage site, it is covered with stunning tidewater glaciers and a variety of native flora and fauna. Be on the lookout for the variety of eye-catching wildlife, including eagles, moose, and humpback whales, who have made Glacier Bay home.

Speyer, located in the Rhineland-Palatinate region of Germany, is a city rich in history and culture. One of its most notable landmarks is the Speyer Cathedral, a UNESCO World Heritage Site and one of the largest Romanesque churches in the world.