Ancient caves are natural underground spaces formed over thousands of years through geological processes like erosion and weathering. Many of these caves have been discovered to contain prehistoric art, tools, and artifacts, providing valuable insights into early human life and culture. Notable examples include the Lascaux Caves in France, famous for their stunning cave paintings. These caves also serve as important archaeological sites, revealing information about ancient ecosystems and climate. Some caves, such as Altamira in Spain, showcase intricate rock art created by early humans, highlighting their creativity and connection to the environment. Ancient caves continue to be studied for their historical significance.