Aren't wizards based on astrologers/astronomers? They would need a high place so trees or other buildings don't block their view. Might also be useful to have a

Aren't wizards based on astrologers/astronomers? They would need a high place so trees or other buildings don't block their view. Might also be useful to have a well positioned window to get the light of the sun or moon in specific angles, to make calendars, horoscopes, or other tracking. Also could be useful to keep adversaries from spying on research, might have made it difficult for thieves to enter and steal valuable instruments. People with enough time to research might have been wealthy and able to build these buildings that required more engineering. Could have also been a "showroom" for monarchs/warlords to display castle/fortress engineering.