Located in Pennsylvania, Pittsburgh is one of the oldest cities in the nation.

Pontevedra is a historic city in Galicia, in northwestern Spain, set along the Lérez River near the Atlantic coast. It is known for its well-preserved old town and a layout that favors pedestrians, giving the center a calm and accessible feel.

Kristiansund is a town facing the North Atlantic, on the west coast of Norway. Both its history and geographical position are unique. It is not a big town and does not have a large population, but the friendly attitude of the people who live here and their way of life, makes it a town with a big heart. Its business centre is close to green parks and small forests. The beautiful view of the surrounding mountains completes the picture.

Dana Point is a coastal city in Southern California, situated along the Pacific Ocean between Los Angeles and San Diego. The city is built around a prominent headland and natural harbor, with steep coastal bluffs overlooking beaches and sheltered waters. Dana Point Harbor forms the center of much of the community’s maritime activity, while nearby parks and coastal trails provide access to ocean views.

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.