In a good number of African states, you should find these tourist centres which have served other purposes in the past.
From a fort turned tourist site in Ghana’s capital, Accra, to the old electricity-generating cooling towers now used for bungee-jump in South Africa’s Soweto, these old buildings or centres are now serving as tourist attractions.
Perhaps, the purposes for which they served were no longer pressing hence the switch.
Check out these old, historic buildings or centres now utilized for tourism: