Mysterious Karlštejn Castle

The majestic castle above the Berounka River is a silent witness to the peak glory of the Czech lands. We know that Karlštejn was built by Charles IV, that the crown jewels were kept here, and that the Chapel of St. Crosses hide mysterious symbolism. Little is known about the fact that the castle had its " Cachtic Lady" and a blind musician, or that the common people saw Karlštejn as a forbidden " thirteenth chamber".