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.

Located in the slopes of the Oshtoran Kooh Mountains, is the permanent sweet-water lake of the upper and lower Gahar. This lake obtains its water from melting snows of the mountains, thus forming into a lake behind the mountains.

Located to the south-east of the Khoram Abad - Khuzestan Road and to the north of the ruins of Shahpour Khast, are rectangular engraved blocks. These blocks date back to the 6th century AH.

The aggregate of the Holy Shrine of Hazrat Ma'soomeh is in the city center of Qom, and is considered to be one of the largest and most valuable relics of Islamic architecture of Iran and the world which bears precious remnants from various centuries.