Meet the Ancestors S07 E03 The Hunt for Darwin's Beagle

Richards follows marine archaeologist Robert Prescott and scientist Colin Pillinger in their bid to find the final resting place of HMS Beagle, the ship made famous by naturalist Charles Darwin's voyages of discovery. Old maps and previous digs provide clues to the vessel's final resting place, and a remote-sensing survey at a secret location in the Essex marshes reveals the remains of a 90ft hull.