I read an article on lost objects. In it they briefly allude to moon towers, or moonlight towers, which I’d never heard of. These were 50-70m towers designed to illuminate areas up to 1km diameter areas.
The only remaining ones are in Austin, though their origins were grim:
The initial construction of these towers was in part a reaction to a local serial killer dubbed the Servant Girl Annihilator, who terrorized Austin between 1885 and 1886Party At The Moon Tower