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Not long ago, the only way to sail to Antarctica and the Arctic was aboard charmless research vessels and icebreakers, while plying the Amazon and Mekong meant public ferries with dubious plumbing and no air conditioning. But now adventurous cruisers needn’t freeze, swelter or hit the public head: Several top-line cruise companies are spinning out rugged ships outfitted for remote locations and the expectations of a luxury-addicted clientele.
Is photographing the giant tortoises of Aldabra Atoll on your bucket list?…