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.

The metropolitan center of southeastern France, vibrant Lyon abounds with stunning architectural masterpieces, gastronomic delights, and immersive museums. This spectacular city, founded by the Romans centuries ago, rivals Paris as a cultural and social hub for exploring the best that France has to offer.

Ninh Binh, located about 100 kilometers south of Hanoi, offers a landscape shaped by limestone karsts, winding rivers, and flooded rice paddies. Often referred to as “Ha Long Bay on land,” the area is best explored by rowboat. At Trang An Scenic Landscape Complex, boat routes pass through caves, ancient pagodas, and valleys surrounded by towering cliffs. Local rowers often use their feet to paddle, an unusual technique that surprises many first-time visitors.

Prizren, nestled in the picturesque valley of the Sharr Mountains in Kosovo, is a city where history and culture converge in a remarkably scenic setting. Known for its well-preserved Ottoman architecture, Prizren offers a rich tapestry of historical sites, including the iconic Sinan Pasha Mosque and the ancient Kaljaja Fortress, which overlooks the city from its commanding hilltop.

Sofia, Bulgaria’s capital, is a city where the past meets the present in a symphony of ancient history, stunning architecture, and vibrant urban life. At the heart of Sofia lies the Alexander Nevsky Cathedral, one of the largest Eastern Orthodox cathedrals in the world. With its golden domes and elaborate frescoes, this architectural marvel serves as a symbol of Bulgarian identity and a must-see attraction.