Which civilization built their great structures out of stone?
Which civilization built their great structures out of stone? The Incas actually did use mortar in a lot of their buildings. Typically buildings which needed to be built out of high quality stone, such as the palace at Machu Picchu or major temples, would be built out of perfectly cut stones.
Which country has best ancient architecture?
Egypt. Egypt's architectural history spans over three thousand years and civilizations going through constant change. The country is known for its pyramids, fortresses, excavated temples, tombs, and palaces.