Front of Haroniye, seen when approaching from the ticket office side

Front of Haroniye, seen when approaching from the ticket office side

A side view of the Haroniye - the name of this building is associated with the Abbasid Mulsim Caliph Harun al-Rashid

A side view of the Haroniye - the name of this building is associated with the Abbasid Mulsim Caliph Harun al-Rashid

Haroniye dates back to the late 8th or early 9th century - Caliph Harun al-Rashid became ill and later died in this city

Haroniye dates back to the late 8th or early 9th century - Caliph Harun al-Rashid became ill and later died in this city

Details of the entrance of Haruniye - now, it appaers to be very bland but in the past it may had been decorated

Details of the entrance of Haruniye - now, it appaers to be very bland but in the past it may had been decorated

View of the interior of the Haroniye - Tus was captured by Alexander the Great in 330 BC

View of the interior of the Haroniye - Tus was captured by Alexander the Great in 330 BC

Tus is only 40km from Mashhad, now there is nothing but ruins but still it makes a great visit for history buffs

Tus is only 40km from Mashhad, now there is nothing but ruins but still it makes a great visit for history buffs

Dome of Haroniye, seen from inside - Only two main buildings are associated with Tus todays and Haroniye is one of them

Dome of Haroniye, seen from inside - Only two main buildings are associated with Tus todays and Haroniye is one of them

A closer look at the dome - this building is only at a stone's throw away from Ferdowsi's tomb

A closer look at the dome - this building is only at a stone's throw away from Ferdowsi's tomb

This model depicts how city had looked in the past before it's destruction

This model depicts how city had looked in the past before it's destruction

There was a very strong reflection of the glass in which model was placed

There was a very strong reflection of the glass in which model was placed

These photos show what is left of ancient (medieval) tus

These photos show what is left of ancient (medieval) tus

In the past, Tus has produced some of the finest Iranian figures in the history

In the past, Tus has produced some of the finest Iranian figures in the history

This photo shows the excavation of Mosque and Madrasa Tabran in Tus

This photo shows the excavation of Mosque and Madrasa Tabran in Tus

A model of the Aliabad Tower in Keshmar - this 18 m high tower was built in the 14th century

A model of the Aliabad Tower in Keshmar - this 18 m high tower was built in the 14th century

A clay pot used for storage is on display probably it has come from the old city

A clay pot used for storage is on display probably it has come from the old city

This photo offers an insight into the attractions of Tus that include Tomb of Ferdowsi, Haroniye and old citadel

This photo offers an insight into the attractions of Tus that include Tomb of Ferdowsi, Haroniye and old citadel

This tablet with Ait al-Kursi (a verse from Koran) comes from an old mosque in Tus

This tablet with Ait al-Kursi (a verse from Koran) comes from an old mosque in Tus

Another stone tablet with the verses of Koran written on it

Another stone tablet with the verses of Koran written on it

Looking out from the entry door of Haroniye

Looking out from the entry door of Haroniye

A rear view of Haroniye - this city thrived in the past till 13th century

A rear view of Haroniye - this city thrived in the past till 13th century

Now it's history lies only in fragments - the Mongol invasion of the 13th century (1220 - 1259) completely destroyed this city and it was left to ruins

Now it's history lies only in fragments - the Mongol invasion of the 13th century (1220 - 1259) completely destroyed this city and it was left to ruins

Some of the famous people from this city are Imam al-Ghazali, Jabir ibn Hayyan, Ferdowsi, Nizam al-Mulk, Nasir al-Din al-Tusi and Shaykh Tusi

Some of the famous people from this city are Imam al-Ghazali, Jabir ibn Hayyan, Ferdowsi, Nizam al-Mulk, Nasir al-Din al-Tusi and Shaykh Tusi

These pieces were picked up from different sites in Tus and displayed in the courtyard of Haroniye

These pieces were picked up from different sites in Tus and displayed in the courtyard of Haroniye

Tus, indeed is a great place to think and wonder how things have changed its' path in ever dynamic Iran

Tus, indeed is a great place to think and wonder how things have changed its' path in ever dynamic Iran

This is what is left of Grave of Imam Ghazali today - it is surrounded by a high fence

This is what is left of Grave of Imam Ghazali today - it is surrounded by a high fence

Looking at the round pit in the middle - this is where once tomb of Imam al-Ghazali stood

Looking at the round pit in the middle - this is where once tomb of Imam al-Ghazali stood

Abu Hamid al-Ghazali was born in Tabaran (Tus district) in 1058

Abu Hamid al-Ghazali was born in Tabaran (Tus district) in 1058

Al-Ghazali lived through the Islamic Golden Age and he wrote 70 books on  the sciences, Islamic philosophy and Sufism

Al-Ghazali lived through the Islamic Golden Age and he wrote 70 books on the sciences, Islamic philosophy and Sufism

Looking at the humble resting place of this great man almost brought tears to my eyes

Looking at the humble resting place of this great man almost brought tears to my eyes