Imamzadeh Ja'far is located in Borujerd, at the end of Ja'fari Street. Imamzadeh Ja'far has been one of the children of Imam Musa Al-Kadhim (AS). Its building belongs to Ilkhanid Era, it is important in terms of Islamic architecture, and it is one of the oldest buildings in Borujerd. With over a thousand year of history, the dome of this Imamzadeh is constructed in Seljuk Era. This dome is a high conical and stepped dome. Imamzadeh Ja'far has been registered as a national monument of Iran.