The Cave of Theopetra, is just 4 km away from Meteora. It is a unique archaeological site, mainly because it has revealed many of the secrets of the early history, including the oldest known man-made structure on earth.
The prehistoric Cave of Theopetra offered great advantages for survival. In the past it had excellent access to fresh water and diverse food sources, provided access to raw materials, and its advantage served as a magnet for early inhabitants who immediately recognized these key advantages. As a result, various Neanderthal and Homo Sapiens groups had been using it continuously for more than 130,000 years.