Polonnaruwa Ruins, a UNESCO World Heritage Site in Sri Lanka, showcase the remains of an ancient capital from the 11th century. This archaeological site features well-preserved palaces, temples, stupas, and intricate stone carvings. Highlights include the Gal Vihara Buddha statues, the Royal Palace, and the Lankatilaka Temple. Visitors can explore the ruins by bicycle or on foot while discovering the rich history of Sri Lanka’s medieval kingdom.