Art and iconography:
Mayan art and the style are heavily influenced by that of the Olmecs. Sculptures and artworks depicting powerful rulers and deities share certain characteristics, such as the prominent "feline" style in which human faces were portrayed.
Ceremonial centers and architecture:
The concept of monumental ceremonial centers with carved stone heads and altars was adopted by subsequent Mesoamerican cultures including the Mayas.
Astronomical and calendrical knowledge:
The Mayas built upon many astronomical observations and calendrical systems developed by the Olmecs.
Religious beliefs and iconography:
Olmec religious beliefs and ritual practices seem to be the foundation for religious concepts and motifs seen in Mayan belief systems and iconography.