St. Michael's Mount, located off the coast of Marazion in Cornwall, England, is a captivating tidal island steeped in history and myth. At low tide, a causeway emerges, allowing visitors to walk to the island; at high tide, it becomes inaccessible, adding to its mystical allure. Crowned by a medieval castle and a charming village, the island is dominated by the striking silhouette of the castle, which dates back to the 12th century.