with the structure that is under reconstruction being the Mausoleum of Il-Arslan.
It is connected with the name of Fakhr-ad-din Razi, a scientist who died in Herat in 1208. The oriental date of the construction of the mausoleum is somewhere in the 12th and 13th centuries.

The mausoleum presents a small, almost square structure, crowned with a twelve-sided marquee. The eastern facade wall and door has beautiful decorative trim, made of ornamental masonry of the baked brick.

A relief inscription along the upper part the outer facade interlaces with finely painted vegetable ornamentation.