A picture is worth a thousand words
Get a taste of what Pericles could see 2,500 years ago
Image: Propylaia, Acropolis of Athens: digital representation.
Source: The Museum of Reconstructions, California (http://www.reconstructions.org)
There are many publications that present the Acropolis as it (probably) used to look like. The Museum of Reconstructions offers academic-level, digital representations of some of the buildings of the Athenian Acropolis: Museum of Reconstructions.
There is more to see!