Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.

Maio, one of Cape Verde's hidden gems, offers a serene escape with its unspoiled landscapes and charming island atmosphere. This tranquil island, part of the Cape Verde archipelago, is renowned for its stunning beaches and laid-back vibe. The white sandy shores of Praia do Morro, with its crystal-clear waters and gentle waves, provide the perfect setting for relaxation and sunbathing, while the surrounding salt pans showcase Maio's historical role in the salt industry.

St. George’s, the capital of Grenada, is a picturesque harbor town nestled within the rim of an extinct volcano. Its horseshoe-shaped Carenage, lined with pastel-colored colonial buildings, offers a postcard-perfect introduction to the island.

Bridgetown, the lively capital of Barbados, is a city where history and Caribbean culture meet on the island’s southwestern coast. Founded in the 17th century, its historic core is recognized as a UNESCO World Heritage Site, with landmarks that reflect both British colonial influence and local heritage.

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.