A true gem on the Caribbean coast, the port city of Cartagena (Cartagena de Indias) welcomes visitors with its charming old town, colonial buildings, and exceptional beaches. A popular cruise ship stop, many seafarers find themselves honorary Cartagenans, as they stroll shady, cobblestone lanes and gaze upon impressive churches.

Hiroshima, a city on Japan’s Honshu Island, is a place where history and resilience intertwine to create a destination that is both deeply moving and inspiring. Beyond its historical significance, Hiroshima offers visitors a vibrant cultural scene.

Bandar Seri Begawan, the capital of Brunei, sits along the Brunei River and combines traditional charm with modern infrastructure. The city is known for its stunning Islamic architecture, including the Sultan Omar Ali Saifuddien Mosque, with its golden dome and marble minarets reflecting in the surrounding water.

Coursing through 10 countries, the Danube is the second-longest river in Europe. This waterway, lined with fortresses and castles, rises in Germany's Black Forest and runs for 1,770 miles to the Black Sea. The Danube is an essential commercial thoroughfare for central and southeastern Europe, and several river cruise companies sail vessels on it year-round. Destinations along this river include Vienna, Budapest, Passau and Bratislava.

Greece’s southern coastline is home to Gythion, a historic port town nestled in the Peloponnese region. Once the naval base of ancient Sparta, Gythion has played a key role in maritime history for centuries. Today, its harbor is lined with colorful neoclassical buildings and fishing boats, creating a picture of daily life that remains connected to its seafaring roots. Just offshore lies Cranae Island, linked to the mainland by a stone causeway.