This architectural work of art is one the world's largest mosques, which can host upto 40,000 worshippers. The mosque features 80 domes, approximately 1000 columns, 24-carat gold-plated chandeliers and the world's largest hand-woven carpet. Unlike other mosques in Abu Dhabi, Sheikh Zayed Grand Mosque is open to non-Muslims. *Images provided by Abu Dhabi Tourism Authority