Halloween Frankenstein is an annual Halloween event held at Königstein Castle, located near Frankfurt, Germany. The festival transforms the castle into a spooky and thrilling setting, complete with haunted tours, interactive performances, and eerie decorations. Visitors can enjoy themed activities, such as ghost tours, costume contests, and live shows inspired by the legend of Frankenstein. The event attracts both locals and tourists, offering a mix of historical atmosphere, Halloween spirit, and frightening fun for all ages. Halloween Frankenstein is a unique and exciting way to experience the castle’s rich history while celebrating one of the most popular holidays in an adventurous and eerie setting.