The above mentioned tombs are close to each other in the Nahavand Village of Takestan. A rectangular chamber connects the two. Both of the structures are circular, and both have cellars which are the locations of the tombs.
Imamzadeh Saleh is slightly larger than Imamzadeh Soleiman, and taking into consideration the vast cellars, resembles relics of the 6th century AH. Though its brick work is on simple lines, the overall architectural features of the structure depicts a perfectly completed affect.