Visit the différent small villages of:

Lourmarin ( beautiful renaissance castle)
Bonnieux (unlimited views of the Luberon valley) Roussillon (the ocre village with orange houses as well as the ocre path if you fancy walking on the trail)
Gordes (typical hilltop village with stunning views. This is a photo stop only of that village) Fontaine de Vaucluse L'Isle sur la Sorgue (the antic village called the little Venice of the Luberon with the many waterwheels set on the Sorgue river)

A good mix of small villages perched on top of cliffs as well as typical provençal villages
Depending of the day, possibilities to spend time in different markets
Lourmarin: Friday
Roussillon: Thursday
Gordes: Tuesday
L'Isle sur la Sorgue: Sundays