Video: Casoni Seamount Exploration - Dive Highlights In this dive highlight from September 22nd, watch as the Nautilus explores the Casoni Seamount in the Mediterranean Sea off the coast of Sicily, Italy. Expedition Submarine Volcanoes of the Aeolian Arc and Tyrrhenian Sea Related Content View video Video: Swimming Squat Lobster View video Video: Orange Dumbo Octopus View video Video: FOUR Fabulous Fossilized Whale Jaws