His tomb is in the churchyard.
His tomb and villa are described by Seneca.
Not far off are ruins probably of ancient baths, and the concrete core of a large tomb with a vaulted chamber within.
On the right of the Imam's tomb is that of Abbas Mirza, grandfather of the reigning Shah.
In accordance with the expressed desire of the philosopher, his tomb was marked by the figure of a sphere inscribed in a cylinder, the discovery of the relation between the volumes of a sphere and its circumscribing cylinder being regarded by him as his most valuable achievement.