Here’s what it was like to sleep in an igloo on an expedition cruise in the Arctic. National Geographic Endurance Igloos: History and DetailsBut first, a little history. The igloo on National Geographic Endurance and National Geographic Resolution are the brainchild of Sven-Olof Lindblad, the founder and co-chairman of the board for Lindblad Expeditions. As soon as I stepped foot on the ship in Reykjavík, I headed straight to reception to reserve my igloo stay. Sleeping in an Igloo Above the Arctic CircleThe igloo was mine from after dinner that night until breakfast the next morning.