You can not visit the temple without knowing a bit of history of the Khmer empire between the 9th century to the 15th century CE. So you have many choice: either you hire a guide when you will visit the...
East Mebon is a temple you can visit through the circuit called “big tour” suggested by the Cambodian tuk-tuk. Here is a description from Wikipedia: “…The East Mebon is a 10th Century temple at Angkor, Cambodia. Built during the reign...