Which site features elaborate and detailed paintings that depict Mayan religious beliefs?

The site that features elaborate and detailed paintings depicting Mayan religious beliefs is Bonampak, located in Chiapas, Mexico. The murals found in the temples of Bonampak are renowned for their vivid colors and intricate scenes, which illustrate rituals, ceremonies, and the socio-political life of the Maya. These murals provide significant insight into the religious practices and worldview of the ancient Maya civilization.