Phra Prang Sam Yot is a historical temple complex located in Lopburi, Thailand. It is known for its three distinctive prangs, or towers, which are designed in the Khmer architectural style. The temple dates back to the Khmer Empire and is believed to have been built in the 12th century. The site is also famous for its resident population of monkeys, which are often seen playing around the temple grounds. Visitors can explore the intricate carvings and enjoy the unique blend of history and nature that this ancient site offers.