Detroit has FAR too many to name. Most disconcerting are buildings that have been scavenged so much that there is nothing left.
Michigan Theater (The One Used in Eminem's 8-Mile and Rap Video) Converted into parking in the late 1970s
From DetroitYes.Com
Michigan Central RailRoad (also from DetroitYes.Com) abandoned since the late 1980s
Sadly for Detroit there are too many gone, but still standing to list