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.

Oklahoma City stands at the crossroads of Western tradition and modern energy. It’s a place where cowboy boots walk into sleek coffee shops, and horse shows take place just a few miles from contemporary art galleries. A good starting point is the National Cowboy & Western Heritage Museum, home to one of the largest collections of Western art and artifacts in the world.

The capital of Crete, Heraklion is a Greek port city and a popular stop on Mediterranean and Greek cruises. The city is an historical marvel, replete with archaeological wonders and remnants of the region's past. Highlights include the Heraklion Archaeological Museum, the Rocca a Mare Fortress, the Venetian Loggia, and just past the city limits, the Palace of Knossos.

Along the banks of the Moselle River, Cochem is a charming village known for Reichsburg castle as well as its old town, with its half-timbered houses.

Nigeria, located in West Africa, is a country known for its diversity in culture, language, and landscapes. It is home to over 200 million people, making it the most populous country in Africa.