On May 18, 1845 Sir John Franklin set sail with a crew of 134 men on two ships, HMS Terror and HMS Erebus, in an attempt to find the Northwest Passage. The ships were last seen on July 26th by an Arctic whaler off the entrance to Lancaster Sound and from there they vanished, never to be seen again. A series of rescue expeditions discovered that disaster had overtaken the expedition and none of the crew made it out of the Arctic region...