While this was an interesting trip, I was somewhat "old-citied out" by this time, and a day off may have been a better choice, but...
We stopped first for a look at the Corinth Canal, which I was surprised to remember seeing before. I was in Europe in 1975, so it must have been then! It is surprisingly deep, and is just a channel for smaller boats to get from sea to sea.
Don't play near the edge, children!
I took a lot of pictures, as usual, but this one will have to do for now: