"The legend says that Templars, under cover of darkness, sunk a wooden box with golden coins and the Holy Grail," Marek Karolczak, a local historian, told CNN Travel. The lake mentioned in the stories dried out long ago, "and the treasure has either been stolen or lost forever in the swamp," he added.Now, archaeologists are investigating one of the chapels the order built in western Poland upon its return from the Holy Land. The small village of Chwarszczany, in the region of West Pomeranian, is home to the chapel of St. Stanislaus, constructed from red bricks by the Templars as...