Some roadside monuments are more than memorials. They are evidence of their undiscovered legacy. So, the goal of this study was to find out more about the art behind the cult of worship at roadside memorials, specifically focusing on the Pu Kham Hua Chang Shrine created its legacy. The finding revealed that the artworks in the shrine are connected to local myths, tales, myths, and lore, and symbolic representation, remnants of ritual practice, and local religious practices that reflect the narrative and worship of sacred Pu Kham Hua Chang. The artistic works in the vicinity of the shrine indicate that these arts represent the local cult linked to the historical legacy of Pu Kham Hua Chang Shrine. This study also created artistic work in QR Code media format to propagate the legacy of the shrine more widely to the borderless world in the future.