It’s well known that Microsoft cofounder, investor and philanthropist Paul Allen lived a big life before he died of cancer last year at the age of 65. He was also an ocean explorer who’d travelled the world’s ocean’s aboard his 414-foot-long Explorer Yacht Octopus since it was launched back in 2003. And now that the yacht is for sale, it might be pretty hard to top Allen’s list of adventures that include:

Paula Allen's 4140foot-long superyacht Octopus
Look closely at this photo that shows one of Octopus’ two hell-pads, large pool and ample sun decks.BURGESS YACHTS

exploring the coast of Antarctica, traversing the Northwest Passage and recovering the ship’s bell from the wreck of HMS Hood at a depth of 2.8km (1.7 miles) for the Royal Navy.

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