Alcatraz - My battle style is not careful. It's go in strong with a good Attack/Defense advantage. Go in with 8 and come out with 5-6 survivors, replace and repeat. In Tiny Town, that is only good for 1 or 2 battles. The second problem is barracks get too big starting in the Progressive Era.
Rogue Hideouts - With a Traz, I clone about 120 over 3 weeks and then sell the Hideout and replace it with a barrack (or, I guess a goods building here). As such, I need multiples so I can put out a new one when my Rogues run low.
Wishing Wells - They are a valuable source of goods before the Modern Era. Then they are kind of useless.
Babel - My 3 Ziggurats are my main source of population and are enough to support barracks/goods/supplies by themselves. And like Wishing Wells, Babel's goods will be less useful in the Modern Era.
Imgur - Mars, the Direct Link Imgur gave up is a link to the webpage hosting the image which is useless here. You need to click on the upper right of the image to get the forum Share link that ends in .jpg. Also remove the .
part when you paste the link into the Insert pop-up that jaelis showed you.