Sonar reveals the mostly intact remains of H.M.S. Erebus, one of two vessels from Sir John Franklin’s expedition that became icebound in 1846. The second ship, H.M.S. Terror, has yet to be found. PHOTOGRAPH BY PARKS CANADA, EPA

Sonar reveals the mostly intact remains of H.M.S. Erebus, one of two vessels from Sir John Franklin’s expedition that became icebound in 1846. The second ship, H.M.S. Terror, has yet to be found. PHOTOGRAPH BY PARKS CANADA, EPA

Shipwreck May Hold Clues to Famous Lost Expedition From 1800s

Recent underwater search yields new artifacts and glimpse inside ship that mysteriously disappeared 167 years ago.