Pont du Gard carried water from a spring over a 30 mile canal to Nimes. Built around 50 AD, it was used up until the 6th century. This thing is big. (lots of pictures)
There’s a little blue speck in the lower center of this picture, that’s Denise.
A view of the top row.
In the 1700’s they added a road to the side of the aqueduct.