I will spend a full day in this town and I will rent a bicycle there which is apparently the best way to visit.
I will visit this town in order to visit the historical park which can be done in a less than a day but it is worth to do it.
There, we can find some well maintained ruins such as:
The Wat Si Chum:
The Wat Sri Sawai:
The Wat Sa Si:
The Wat Chang Lom:
There are many other temples and remains to visit in this park and I will have to get a map like the following one in order to visit all of them: