Re Don's mention of the Getty Villa as a replica of the Villa of the Papyri at Herculaneum, I found this:
Identifying and Interpreting a Philosophical Garden at the Villa of the Papyri at Herculaneum --
Identifying and Interpreting a Philosophical Garden at the Villa of the Papyri at Herculaneum
The Villa of the Papyri is one of the most important archaeological sites from Roman antiquity for its preserved architecture, library, and art collection. All…
trace.tennessee.edu
I've only read a bit thus far, but the thrust seems to be that that Villa garden was designed with [Epicurean] philosophical study in mind.
