deepseachallenge.com

VBAnk TIL that filmmaker James Cameron has visited the Titanic 33 times, including once when he was trapped for 16 hours due to on-board technical issues
w8Y6 TIL a Rolex watch was strapped to the hull of the Trieste submersible when it dove the Mariana Trench. It survived the 35,700 foot descent, ticking the whole way.