The tomb Immamzadeh Ja'far (peace be upon him) who is called Javadi and his descendants are called Javariyoon is located at Pishva.
The magnificent dome of this building is regarded as valuable works of Iran’s religious architecture, it has a height of 21 meters with 5/9 meter in diameter.it is located on a Sixteen-sided pedestal with eight windows; four of these windows have colored glasses.
Turquoise tiles in the exterior part of the dome are decorated with geometric designs; besides, it has some inscriptions written in Nasta'liq, Kufic and Sols handwritings.