This is what the column probably looked like based on sources from before it was taken down for safety in 1719. The column was large enough to have a staircase inside so you could climb to the top and look out over the city.
This is a recreation of what a view of the Augustaion, between the Great Palace and the church of Hagia Sophia would look like, as an artist imagines the emperor Justinian standing and gazing over them.
This is a digital recreation of the central street in the city of Ephesus lined with columns and shops. This is a similar structure to the central Mese in Constantinople. Note the use of color. Ancient cities were poly chromatic.