1) Ancient Greek city 
Bathonea (Bathoneia) is the name of a long-lost ancient Roman city that was found in 2009 to be located on the European shore of the sea of Marmara, 20km west from Istanbul in Turkey. The ruins of this town, which have always remained visible, were studied extensively in 1930 by the Swiss archeologist Ernest Mamboury, who - basing upon ancient sou...