Wat Phra Pathom Chedi is a Buddhist temple located in Nakhon Pathom, Thailand. It is famous for housing the world's tallest stupa, which stands at 120.45 meters (394 feet). The temple is an important pilgrimage site for Buddhists and features beautiful architecture and serene surroundings. The stupa, built in the 19th century, is a significant symbol of Buddhism and represents the sacredness of the Buddha's teachings. Visitors can explore the temple grounds, which include various shrines, statues, and a museum that showcases the history of Buddhism in Thailand.