Old whisky can be found in some pretty amazing places. I've heard of it stashed in the walls of houses, buried under ground, and discovered in shipwrecks under the ocean. But the trove left by Antarctic explorer Sir Ernest Shackleton might be the most unusual. Shackelton and his crew left two cases of Scotch whisky stashed under the floorboard of a small wooden shack at Cape Royds.The whisky was discovered by conservators in January 2006. They were unable to get the crates out but will be trying