In an aircraft I have no fear whatever of heights in routine or aerobatic flight, dual or solo, but I hate to look over the parapet of a tall building, so I stay well away from them.
I have tried many times to climb the steps to the top of the Scott Monument in Edinburgh, but never made it. There is a big hotel in Atlanta, GA, that was new in the late 1960s. The rooms were reached by galleries round an indoor atrium. Just awful. I also stayed in a similar hotel in Hong Kong. Also awful.
The head office of The Hong Kong and Shanghai Bank in Hong Kong is the same, only worse, being clad wholly in glass. I had to go there once. Never again. I can get the tall building malaise on looking at those classic 1930s stills of workmen enjoying a sandwich on the high steel in Manhattan. Not for me.