World Wildlife Fund found German Enigma crypto machine in Baltic Sea. The Enigma was a German cryptologist’s prized piece of computing history. Enigma’s secure code was a guarded German secret, as Allied forced approached, the military was ordered to destroy them. Just 320 of the 25,000 Enigma machines are still sought after by governments, museums and private collectors. Divers found the machine in Gelding Bay in the Baltic Sea between Germany and Denmark. It was likely aboard one of 40 submarines sunk in the bay by the German Navy at the end of WWII.
Source: https://threatpost.com/divers-wwii-enigma-cipher-baltic/162045/

