Mashhad is the center for pilgrimage tour in Iran and is considered the capital of the second largest city in the country. Though the city was considered to be an ancient region of Iran, and was selected as the center of governance during periods, thanks to the presence of Imam Reza (p.b.u.h), the eighth Imam of the Shiites, it has become a unique identity in the religious role and is one of the most passionate areas for Religious tourism in Iran. Mashhad tourism owes its glory to the eighth Imam (p.b.u.h). Most tourists travel to Mashhad with the passion of the pilgrimage of Imam Reza and enjoy the spiritual atmosphere of this shrine. As far as the city is called the spiritual capital of Iran. Although the Tomb of Imam Reza, its golden dome and its goldsmiths are the most magnificent destination of Mashhad tourism, there are significant historical, cultural and natural attractions in this region of Iran, which, along with the spiritual atmosphere of the Tomb of Imam Reza, bring this area to become one of the most popular tourist destinations in Iran. The shrine of Imam Reza, Toos and Neyshabur villages can be considered as the three main destinations of Mashhad tourism.
The religious complex of Imam Reza is a very large building that consists of the shrine of Imam Reza (p.b.u.h), the Goharshad Mosque, a museum, several rooms for prayer and some other structures with Islamic architecture. The most beautiful and finest Iranian arts, such as mirroring, grating and tiling, have been used to decorate this complex. In terms of its size, the complex is the largest mosque in the world
Imam Reza's dome and vault are made of gold, watching pigeons sitting on a golden dome and flying over the tomb in the sky looks spectacular to foreign tourists. Except for Imam Reza's complex, Mashhad has other religious spaces and is often included in the travel plan for people traveling on tour to the city. The tomb of Pir Palanduz, Emamzadeh Naser and Yasser, Mosque of Seventy-Two, Green Dome, Eided Dome and Tomb of Khaje Rabi are among other historical-religious sights and are the potential of Mashhad tourism.
. Neishabur is the second largest tourist destination in Mashhad. In this city, about 130 km away from Mashhad, the tomb of two famous figures of Persian culture and knowledge, Attar and Khayyam Nesashabori, is placed. Which many of tourists would spend one day of their trip to visit this city.
The garden-museum of Toos, Is the third of the Mashhad tourism triangle sites, which is one of the most popular attractions in the city. Ferdowsi's tomb built in the style of the Achaemenid architecture and is very similar to the tomb of Cyrus the Great in Pasargad, is located in this garden. The Naderi complex is one of the other cultural and historical attractions of the city.