Cartagena is a port city on Spain’s southeastern Mediterranean coast, in the Region of Murcia, where a sheltered harbor is surrounded by hills and historic neighborhoods. Its strategic position has made it an important maritime center for successive civilizations, leaving an unusually rich archaeological and architectural landscape. The modern city combines a busy waterfront with a compact historic center, where Roman remains stand alongside military buildings and modernist architecture.

Mytilene, ancient Greek city, the capital of Lésvos (Lesbos), an island in the Aegean Sea. It was colonized in early times by the Aeolians and is known as the birthplace of the poet Sappho and the philosopher Theophrastus. The city became a great naval power and established colonies in Mysia and Thrace.

On the remote Osa Peninsula, Corcovado National Park unfolds as a vast stretch of rainforest meeting the Pacific Ocean. This protected area covers a large portion of the peninsula and is often described by scientists as one of the most biologically intense places on Earth. Dense jungle, quiet beaches, and winding rivers sit side by side, creating a landscape where visitors may walk from thick forest into open coastline within minutes.

Maryland, a state rich in history and natural beauty, offers a diverse array of experiences for visitors. The city of Baltimore, with its vibrant Inner Harbor, serves as a cultural hub. The National Aquarium, featuring marine life from around the globe, is a highlight, while the nearby National Great Blacks in Wax Museum offers a profound look into African American history.

Ha Long is a coastal city in Quang Ninh Province in northeastern Vietnam, best known as the gateway to Ha Long Bay. The city stretches along the Gulf of Tonkin and combines a modern waterfront, residential districts, fishing communities, and port facilities. Offshore, Ha Long Bay contains hundreds of limestone islands and islets rising from the sea, creating a landscape shaped by geological and marine processes.