Si Satchanalai Historical Park, situated in Sukhothai Province, Thailand, is a UNESCO World Heritage Site that preserves the ruins of the ancient city of Si Satchanalai. Founded in the 13th century as a sister city to Sukhothai, Si Satchanalai served as the second capital of the Sukhothai Kingdom. The historical park boasts numerous temple ruins, palaces, and monuments, showcasing the architectural and artistic achievements of the period. Highlights include Wat Phra Si Rattana Mahathat, Wat Chedi Chet Thaeo, and Wat Chang Lom, each adorned with intricate stucco reliefs, Buddha images, and towering chedis. Visitors to Si Satchanalai Historical Park can explore the well-preserved ruins, learn about the region's history through informative displays, and appreciate the serene natural surroundings that add to the park's allure. As a testament to Thailand's rich cultural heritage, Si Satchanalai Historical Park offers a captivating journey back in time to the golden age of the Sukhothai Kingdom.