For centuries, Krakow has remained one of the best-preserved medieval city centers in Europe, thanks in part to its stunning Old Town, proclaimed a World Heritage Site by UNESCO. Wander through its cobblestone street to see traces of its rich history.  In almost every corner are spectacular relics associated with significant historical events. For nearly six centuries, Krakow served as home to the Polish Kings. This means history buff will never get bored in Krakow. Here are some of the places considered to be the most fascinating historical sites in Krakow.  1. Wawel No history of Krakow will ever be complete without mentioning Wawel. This historical monument is considered by…