Magong is the main city of Penghu County, an island group in the Taiwan Strait known for low volcanic landscapes, coastal waters, and traditional fishing communities. The city serves as Penghu's administrative and commercial center, with a waterfront, harbor, markets, temples, and narrow streets surrounding its older districts. Its position makes it a practical base for exploring nearby islands and coastal attractions.

As a city located in a Baltic Sea archipelago, it's not surprising that Stockholm has 50 bridges and sightseeing boats moving people between its 14 islands. This contemporary and welcoming capital of Sweden is nonetheless easily navigable by foot. Every district here has a distinct flavor, from the sophisticated Östermalm to the bustling downtown energy of Norrmalm to the delightful Old Town.

Gdynia is a Baltic Sea port city in northern Poland, forming part of the Tricity urban area with Gdańsk and Sopot. Its character is closely connected to the sea, with a large commercial harbor, marinas, beaches, and a waterfront city center. Unlike many Polish cities, Gdynia has a relatively modern urban fabric, with much of its central district shaped by interwar modernist architecture.

The Kanmon Straits are a narrow waterway in Japan that separates the island of Honshu from Kyushu and connects the Sea of Japan with the Seto Inland Sea.

Originating as a tiny fishing village in 1038, modern Kehl has become an important link between Germany and France. Rhine River cruises most often use Kehl as their gateway to the much larger and better-known Strasbourg. The savvy traveler, though, might choose to skip the jaunt across the river and enjoy many similar sights, shopping and cuisine as those offered in the teeming French city.