Imam Reza shrine
The Imam Reza Shrine in Mashhad, Iran is a complex which contains the mausoleum of Imam Reza, the eighth Imam of Twelver Shiites. It is the largest mosque in the world by dimension and the second largest by capacity. Also contained within the complex are the Goharshad Mosque, a museum, a library, four seminaries, a cemetery, the Razavi University of Islamic Sciences, a dining hall for pilgrims, vast prayer halls, and other buildings.
Shah Cheragh Shrine
Shāh Chérāgh is a funerary monument and mosque in Shiraz, Iran, housing the tomb of the brothers Ahmad and Muhammad, sons of Mūsā al-Kādhim and brothers of ‘Alī ar-Ridhā. The two took refuge in the city during the Abbasid persecution of Shia Muslims.
The shrine of Fatema Mæ’sume (sister of Imām ʻAlī ibn-Mūsā Riđā) is located in Qom which is considered by Shia Muslims to be the second most sacred city in Iran after Mashhad. Fatima Masumeh was the sister of the eighth Imam ‘Ali al-Rida and the daughter of the seventh Imam Musa al-Kadhim (Tabari 60). In Shia Islam, women are often revered as saints if they are close relatives to one of the Twelver Imams. Fatima Masumeh is therefore honored as a saint, and her shrine in Qom is considered one of the most significant Shi’i shrines in Iran. Every year, thousands of Shi’i Muslims travel to Qom to honor Fatima Masumeh and ask her for blessings. For more information on the history of Fatima Masumeh, see Fatima bint Musa.