Some of the booths look like porta-pots, and some look miner's shacks, and this one at Cass and Bagley reminds me of a miniature New Orleans shotgun shack.
You're not supposed to go downtown to look at the parking booths. You're supposed to go downtown to look at the highrises. Which is why it's probably a good idea, once in a while, to go downtown to look at the parking booths.