Crvena stijena (Red Rock) - category I monument, is an archaeological site of worldwide significance, in the same level with El Castillo in Spain, more than 180,000 years old, in which a neanderthal lived, and where research is still ongoing. It is located 45km of the Niksic - Trebinje road. By now, 31 cultural layers have been identified in which more than 20,000 artifacts have been found.