4. Ushuaia, Argentina
As a former penal colony and the current capital of an Argentine region known informally as Fin del Mundo — End of the World — Ushuaia may not sound promising. But this city, one of the world's southernmost, sits amid a stunning patchwork of lakes, bays, forests, waterfalls and glaciers. From-town excursions include the wondrous Tierra del Fuego National Park and an island rookery where you can walk amid thousands of Magellanic penguins.
5. Savannah, Ga.
The historic Southern city of gracious public squares, Spanish moss-draped oaks and evocative antebellum architecture recently nixed the idea of building a terminal to handle large cruise ships. The end of Savannah as a port of call? Not in the least.
Smaller ships that sail the network of bays and rivers known as the Intracoastal Waterway still call here. Wander on your own through the cobblestone streets of its National Historic Landmark District, the largest in the country, but for a richer experience consider a guided walk that makes Savannah's past — and its sometimes eccentric denizens — come alive.
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