Olmec influences continued to appear in many later Mesoamerican civilizations. The Amerindian collection includes Native North American art and Mesoamerican and Andean works. This civilization is considered the mother culture of the Mesoamerican civilizations. The tree plays an important part in the mythologies of pre-Columbian Mesoamerican cultures. A "tzompantli" is a type of wooden rack or palisade documented in several Mesoamerican civilizations. The ritual Mesoamerican ballgame was widely played. Mexican food mixes European and Mesoamerican elements. Rubber was an important part of the ancient Mesoamerican ballgame. Most of modern Central America was part of the Mesoamerican civilization. The collection rekindled Whorf's interest in Mesoamerican antiquity. Costa Rica was the point where the Mesoamerican and South American native cultures met. Divination was a central component of ancient Mesoamerican religious life. Xolotl was the patron of the Mesoamerican ballgame. A feathered serpent deity has been worshiped by many different ethnopolitical groups in Mesoamerican history. This is a list of Mesoamerican pyramids or ceremonial structures.