Fonmon Castle is a 12th-century fortress located in the Vale of Glamorgan near Barry, Wales, built by the St. John family in the early 12th century and serving as their family seat for over 800 years. The castle sits on a private estate just 25 minutes from Cardiff and offers visitors the unique Jurassic Wales dinosaur experience—Wales' newest prehistoric attraction featuring life-sized dinosaurs and animatronic raptors sourced from leading dinosaur research centres. The dinosaur exhibition incorporates current paleontological research and scientific theories, complemented by interactive dino-themed dig pits where visitors can unearth fossilised remains and learn archaeological methods. This distinctive combination of authentic medieval architecture and immersive prehistoric adventure makes Fonmon Castle a uniquely engaging destination blending centuries of history with contemporary interactive education.