Wat Phu is an ancient Khmer temple complex located in southern Laos, near the Mekong River. It was built between the 5th and 12th centuries and is dedicated to the Hindu god Shiva. The site features impressive stone structures, terraces, and a sacred mountain, making it a significant historical and cultural landmark. The temple complex is part of the UNESCO World Heritage list, recognized for its architectural and historical importance. Visitors can explore the ruins, which showcase intricate carvings and a blend of natural beauty with ancient craftsmanship, reflecting the rich heritage of the Khmer Empire.