10 of the most luxurious cruise ships in the world

Travelingaboard a luxury cruise ship is often the best way to explore new places, but some cruise lines offer experiences that are just a notch above the rest.In its most recent issue, National Geographic Traveler put together a list of the 21 best cruises in the world, from the Mediterranean Sea to the Nile River.Below, we've selected our favorites from the list, highlighting ships that include perks like "snow rooms" and spa services, and others that offer travelers unparalleled experiences like tours oftropical gardensin theMarquesas Islands. All captions are by National Geographic Traveler.SEE ALSO:13 stunning photos that show why Oman is the next big destination for luxury travelersThe Seychelles islands"The 62-passenger Crystal Esprit, the first yacht from this famed luxury line, spends winters at these Indian Ocean islands. Release baby turtles into the surf and admire the giant coco-de-mer palms."The Amazon River"Aqua Expeditions'Aria Amazonsails through the Peruvian rain forest, withvisits to indigenous villages and a chance to fish for piranha. Onboard,menus celebrate local fare with ceviche, river fish, and hearts of palm salad."The Nile River"Lounging on pillows stuffed with Egyptian cotton on the top deck of Nour El Nil's Mero, you'll feel like a modern-day pharaoh as you journey past date palms, ibis, and the temples at Edfu and Kom Ombo."See the rest of the story at Business Insider
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