Perge

Next stop was another ancient Greek city, although there's an acropolis there that dates back to the Bronze Age. It ultimately became an important center of Christianity under Constantine, remaining so well into the 6th century AD, and St. Paul preached here.

Gate from outside...

...and inside:

South bath:

 Agora and the rest of the ruins:

 See the carving on this column?

Of course the site has a vigilant guardian...