Prehistoric sites are locations where evidence of human activity from the prehistoric period has been discovered. These sites often include tools, pottery, and structures made by early humans, providing insights into their daily lives, cultures, and environments. Examples of prehistoric sites include caves, burial mounds, and ancient settlements. Many prehistoric sites are significant for archaeological research, as they help scientists understand the development of human societies. Notable examples include Stonehenge in England and the Lascaux Caves in France, which showcase early artistic expression and monumental architecture. These sites are crucial for studying human evolution and cultural heritage.