I propose that each of us mentions just one, or upvotes if your favorite place was already mentioned before, the one place which you found really awesome to be with your plane.
Mention the place first, followed by the circumstances like time of day and weather.
into LOWI VFR
Patagonia VFR.
Courchevel/Alps VFR.
Last evening I flew over mount versuvius at 3000ft in my cessna just as the sun was going down it was sensational. Just beautiful! I recommend giving it a go the amalfi coast is stunning.
Canadian Rockies.
Sensational mountain and valley views and stunning lakes
in the Alps (CH, A), mostly VFR in the afternoon
Namibia VFR
Ground patterns and colours are amazing - throw in a little cloud bank to cast shadows and you have a canvas of beauty, worthy of a master artist.