blacktip reef shark swims through the reef at Rose Atoll

A blacktip reef shark (Carcharhinus melanopterus) swims through the reef at Rose Atoll in National Marine Sanctuary of American Samoa. These small sharks can often be spotted in shallow reefs like this one, where they hunt reef fish. Photo: Kevin Lino/NOAA

Almost a century ago, the USS Conestoga sailed from San Francisco Bay and vanished with 56 men on board. Last year, we and the U.S. Navy announced that we had discovered the wreck and solved the mystery: the shipwreck now rests within the waters of Greater Farallones National Marine Sanctuary. Hear Conestoga's amazing story in our video, and find out more at