If you are a fan of The House of Night Series by P.C. and Kristin Cast, then you know about Mary's Grotto: the setting of the showdown between Kalona and Zoey in Hunted. Below is a picture of the REAL Mary's Grotto that inpired Cast's fictional grotto in the book. Click on the picture to read P.C.'s explanation of the pic and how this grotto inspired her when she was creating Hunted with her daughter.