From the Mail Online, a group of unidentified German Businessman are about to attempt searching Stolpsee Lake in Northern Germany for Nazi Gold rumored to have been dumped there during WW2.
Link: Adventurers search for dumped Nazi gold worth a billion pounds in German lake
Update: Israeli scours German Lake for Jewish Gold and, more generally, other rumored Nazi Treasure Hoards: http://www.telegraph.co.uk/history/world-war-two/8689091/Nazi-looting-treasure-hunters-hope-to-turn-myths-into-reality.html