If you are fascinated by WWII secrets, ghosts, and hidden treasure legend, then Ksiaz Castle is the right place to be. Located in Walbrzych, a city in southwestern Poland, Ksiaz Castle is one of the imposing structures in Poland, and breathtaking sight to behold.  Just recently, the area became a hot spot for both local and international visitors, when two explorers announced they had discovered a secret tunnel that house the legendary wartime train laden with lots of treasures. Legend has it that the richness and valuables in the train were the property of the Nazis.  Even without the train stashed with hidden treasures, Walbrzych and the Castle have what…