Tintagel, a legendary site steeped in Arthurian lore, offers a unique blend of history and myth. On a scorching Bank Holiday Monday, the castle was bustling, but a hidden gem lay just beyond the crowds. The author, a seasoned traveler, stumbled upon King Arthur's Great Halls, a captivating folly built by a retired businessman in the early 20th century. This Grade II* listed building, with its stunning stained-glass windows and Cornish materials, provides a welcome respite from the heat and a deeper dive into the Arthurian legends. The author's personal interpretation highlights the contrast between the castle's historical ruins and the modern folly, suggesting that the latter is a true gem for enthusiasts of Arthurian lore. This hidden treasure, often overlooked by tourists, offers a unique experience and a refreshing perspective on Tintagel's rich history and mythology.