Just today I saw a building called Mechanics on Main, or M.O.M. I had the sudden urge to walk in a say,“Oh my gosh, the Ministry of Magic?! I thought you could only get here by telephone booth or Floo Powder, but here I am, walking through this door! How did I not know about this above ground addition? Nevermind, I can see why, this place is ugly! Hey, what department am I in? I hope it's...”
If you've read Harry Potter, you'll find this completely reasonable.