The Kiss (above), namely Klimt.
We saw quite a few Klimts while there, of which The Kiss was probably the most spectacular of those within the museum in the Belvedere Palace (below):
Karlsplatz, even on what was a very chilly day with rain or sleet most of the time.
Another home for Klimts was the art nouveau gem of the Secession Building:
Beethoven Frieze, an allegorical story of human's travels through woes, battling temptations, to reach joy through the arts (or something like that). It too ends with a kiss.
It being rather cold we decided to end our art tour at this point and go for a warming soup in a nearby cafe.