You can get a feel for the temples that exist in Cambodia from watching this video. These are the world renowned temples built between the 9th and 15th centuries in Northern Cambodia.
The Khmer Empire during this time, encompassed much of South-east Asia and played a formative role in the political and cultural development of the region. All that remains of that civilization is its rich heritage of cult structures in brick and stone found by the town of Siem Reap today.
Sadly, some of it was destroyed by the murderous regime of Pol Pot, yet many ancient temples still stand today. Please watch the below video for more to get a feel of what ypu'll find when you visit.