Visit Preah Vihear Temple (Prasat Preah Vihea) is an ancient Hindu temple built during the period of the Khmer Empire, that is situated atop a 525-metre cliff in the Dângrêk Mountains, in the Preah Vihear province, Cambodia.The temple is 140 km from Angkor Wat and 625 km from Phnom Penh. Then we visit Koh Ker temple that built in 10th-century by Jayavarman IV in the north Cambodian jungle. This temple is a remote archaeological site in northern Cambodia about 120 kilometres (75 mi) away from Siem Reap and the ancient site of Angkor and it take time about two and half hours away from Siem Reap, and basic visitors' facilities are now being built.