Mashhad, located in northeastern Iran, is the country's second most populous city and an important religious and cultural center. Known for its magnificent, holy shrine of Imam Reza, the largest mosque in the world by dimension, Mashhad attracts millions of Muslim pilgrims each year. Beyond its spiritual significance, the city also boasts a rich history that is expressed through its many museums, including the Nader Shah Museum. Visitors can explore traditional Iranian bazaars offering Persian rugs, spices and jewelry, as well as indulge in the local cuisine. The city is also famous for its saffron and turquoise stone production, making it a must-visit location for connoisseurs of these precious commodities.