Atapuerca is an archaeological site located in the Sierra de Atapuerca near Burgos, Spain, famous for its significant fossil finds, including two Homo heidelbergensis skulls discovered in 1992. Excavations began in 1964 and have revealed the oldest European hominid remains, with a notable accumulation of human fossils dated to around 500,000 years ago, suggesting complex behaviors like burial practices. This site provides vital insights into early human life, such as diet, tool usage, and health conditions.