The Rabati Malik caravanserai on the northern side of the road. Opposite the Malik Sardoba cistern.
Rabati Malik was first a steppe residence of the Turkish rulers from the Karakhanid dynasty. From the 12th to the 18th century it was used as a caravanserai, only an entrance portal remained. de.wikipedia.org/wiki/Rabati_Malik
Malik Sardoba is a well or cistern that served to supply water to the Raboti Malik caravanserai, which was founded as a fortress. The Sarboba was supplied by an underground canal. A staircase led down to the water level. The complex is covered with a stupa-like stepped dome. de.wikipedia.org/wiki/Malik_Sardoba