Director Paolo Sorrentino once again proves a master of opulent filmmaking with “Parthenope,” which never succeeds in creating a meaningful whole from its beautiful parts.

Enjoy a peaceful escape with a visit to one of these stunning botanical gardens chosen by our featured panelists.

FLORA LICHTMAN: Cardea, which is the Roman goddess of doorways and transitions ... scientists can gape at our really cool skin art. IRA FLATOW: Well, there’s no way to top that ending, Jason, so I ...