Hattuşa, located in the Boğazkale district of Çorum and a UNESCO World Heritage Site, continues to amaze with its thousands of years old stonework. Recent excavations have uncovered new passages beneath the city walls, believed to have been used for defensive purposes. The archaeological team emphasizes that the Hittites' engineering genius was far ahead of its time. Hattuşa remains one of the most important sites shedding light on the prehistoric period of Anatolia.