Certain symbols abound in modern Western culture that are instantly recognizable: the cross signifies Christianity, the six-pointed Star of David is revered by Jews, the golden arches frequently means it's time for lunch. Other symbols, however, require a bit of decoding-particularly those found in cemeteries. Cemeteries are virtual encyclopedias of symbolism. Engravings on tombstones, mausoleums and memorials tell us just about everything...