Great Colonnade at Apamea

The Great Colonnade at Apamea is a 2 km long stretch of columns in the ancient city of Apamea in modern-day Syria. It is among the longest and most famous colonnade in the Roman Empire.

Another impressive colonnade is located in the ancient city of Palmyra also in Syria. However, parts of the colonnade in Palmyra has been damaged due to the Syrian Civil War when ISIS took control of the area and destroyed many important buildings in the city.