As an architect I find the AIA's list rather insulting. Why do they feel the need to dumb it down? The best on the list are average, the inclusion of some, like the Vegas Hotel is tragic.
Tom Robbins in Wild Ducks Flying Backward states that kissing started in Medieval times when the man upon returning home, kissed his woman to determine if she had been dipping into the Mead Barrel, a sort of early breathalyzer.