Sultan Qaboos Grand Mosque

Oman's main mosque. Construction on the mosque began in 1995 and ended in 2001. The massive structure, constructed of Indian sandstone, holds 20,000 worshipers total, but only 6,500 in the main prayer hall. The prayer carpet in the main hall is the second largest handmade carpet in the world. It took four years to produce, is made of 1.7 million knots, and weighs some four tons.