Philopappos Monument
If you want to get one of the best view of Acropolis and Athens for free, this is the place to go. During summer I would recommend going in the morning. Took my wife and 9 year old kid and the hike wasn’t that bad. You do have be in a good shape to make the hike. For me this is a must just for the view. The monument itself is not bad, but is not really the main reason to visit
