This is the resting place of the great Gnostic of the 4 century AH, located 3 km. from Sarakhs . This structure contains a portico decorated with brick works and plaster moldings, in addition to a brick dome.

This famous and renowned tomb is situated 4 km. north of Mashad on the Khajeh Rabi’ Road. This mausoleum is octagonal in shape and houses many rooms, large halls and porticos styled in intricate and unique oriental architecture. The bi-covered dome is 18 m.

One of the eye-catching sites is the garden which envelopes the resting place of the great scholar, mathematician, philosopher and poet, Hakim Omar Khayam.

The tomb of this Toos governor, contemporary of Sultan Mohammad Qaznavi (beginning of the 5th century AH) is located 37 km. from Mashad .

This piece of architecture dates back to the 6th century AH. It stands about 38 m. in height and is made of bricks. The brick work is enhanced with tablets of ‘Kufi’ inscriptions which dates back to 505 AH.