Follow the footsteps of Khmer civilization from Angkor Wat to the center of cultural heritage in northeastern Thailand, Phimai, Phanom Rung and Mueang Tam. This paper is both an introduction and guide to Khmer temples in Isan. The first part begins with historical details tracing the Angkorean from the 8th to 12th century, and introduces a background to the religious traditions of the Khmer, which both inspired and governed the concept and execution of all their art and architecture. The second part is an emphasis on architecture and decorative art, which appear in Khmer temples. In its heyday the main concentration of Khmer temples extended far west to the border and associated with an area of the middle Mekong River in the southern part o...