Poseidon Expeditions announces early booking savings of $1,435 to $2,255 per person on three 2018 voyages aboard the only passenger-carrying vessel in the world that can attain 90º north, the geographic North Pole. With rates starting at $27,260 per person (double occupancy), this singular adventure starts in Murmansk, Russia. There, guests embark the nuclear-powered icebreaker 50 Years of Victory for…
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