Ayutthaya Historical Park is a UNESCO World Heritage Site located in Thailand. It was once the capital of the Kingdom of Siam from the 14th to the 18th centuries. The park features impressive ruins of temples, palaces, and statues, showcasing the architectural brilliance of the era. Visitors can explore notable sites such as Wat Phra Si Sanphet, Wat Mahathat, and Wat Ratchaburana. The park covers an area of approximately 289 hectares and offers a glimpse into the rich history and culture of the ancient city, making it a popular destination for tourists and history enthusiasts alike.