Tintagel Castle is a historic site located on the rugged coast of Cornwall, England. It is famously associated with the legend of King Arthur and is believed to be the birthplace of this legendary figure. The castle's dramatic ruins sit atop a cliff, offering stunning views of the Atlantic Ocean. The site dates back to the 5th and 6th centuries and features impressive stone walls and structures. Archaeological excavations have revealed artifacts that suggest it was an important settlement during the early medieval period. Today, Tintagel Castle is a popular tourist destination, attracting visitors interested in history and mythology.