A side from historical Qalʿat Masyaf

A side from historical Qalʿat Masyaf

Jaʿbar castle, southern side of the castle

Jaʿbar castle, southern side of the castle

at-Tabqa, Jaʿbar Castle, polygonal tower.

at-Tabqa, Jaʿbar Castle, polygonal tower.

at-Tabqa, Jaʿbar Castle, Towers of western walls

at-Tabqa, Jaʿbar Castle, Towers of western walls

General view of Jaʿbar castle

General view of Jaʿbar castle

Remains of Islamic Jaʿbar castle

Remains of Islamic Jaʿbar castle

Remains of Islamic Jaʿbar castle

Remains of Islamic Jaʿbar castle

Hama, General view of al-Madiq castle from the southern side

Hama, General view of al-Madiq castle from the southern side

Dura Europos (Qalʿat as-Salihiyya), Roman amphitheater

Dura Europos (Qalʿat as-Salihiyya), Roman amphitheater

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

Excavation works, Dura Europos (Qalʿat as-Salihiyya)

Excavation works, Dura Europos (Qalʿat as-Salihiyya)

Excavation works, Dura Europos (Qalʿat as-Salihiyya)

Excavation works, Dura Europos (Qalʿat as-Salihiyya)

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

View on the Euphrates River from the site of Dura Europos (Qalʿat as-Salihiyya)

View on the Euphrates River from the site of Dura Europos (Qalʿat as-Salihiyya)

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

Qalʿat al-Mudiq seen from the ruins of Afamiya

Qalʿat al-Mudiq seen from the ruins of Afamiya

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

Jisr ash-Shughur, Qalʿat ash-Shugr wa-Bakas, a twin crusader castle, Arabic inscription

Jisr ash-Shughur, Qalʿat ash-Shugr wa-Bakas, a twin crusader castle, Arabic inscription

Jisr ash-Shughur, Qalʿat ash-Shugr wa-Bakas, a twin crusader castle, cave

Jisr ash-Shughur, Qalʿat ash-Shugr wa-Bakas, a twin crusader castle, cave

Jisr ash-Shughur, Qalʿat ash-Shugr wa-Bakas, a twin crusader castle, caves

Jisr ash-Shughur, Qalʿat ash-Shugr wa-Bakas, a twin crusader castle, caves

Jisr ash-Shughur, Qalʿat ash-Shugr wa-Bakas, a twin crusader castle, stone arch

Jisr ash-Shughur, Qalʿat ash-Shugr wa-Bakas, a twin crusader castle, stone arch

Tartus, Qalʿat al-Marqab, Crusader castle, general view from the Castle.

Tartus, Qalʿat al-Marqab, Crusader castle, general view from the Castle.

Jisr ash-Shughur, Qalʿat Shugr wa Bekas from the inside.

Jisr ash-Shughur, Qalʿat Shugr wa Bekas from the inside.

Jisr ash-Shughur, Qalʿat ash-Shugr wa-Bakas, a general view of the the valley around the twin castle

Jisr ash-Shughur, Qalʿat ash-Shugr wa-Bakas, a general view of the the valley around the twin castle

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

at-Tabqa, Jaʿbar Castle, Towers of western walls

at-Tabqa, Jaʿbar Castle, Towers of western walls

Exterior view of Krak des chevaliers (Qalʿat al-Husn)

Exterior view of Krak des chevaliers (Qalʿat al-Husn)

At-Tabqa, Jaʿbar Castle, Entrance of a bastion with loopholes

At-Tabqa, Jaʿbar Castle, Entrance of a bastion with loopholes

At-Tabqa , Jaʿbar Castle, Bastion with loopholes.

At-Tabqa , Jaʿbar Castle, Bastion with loopholes.