Inspired by Carl Fredricksen's house in Up, which was holding up construction of a massive building complex, deputydog uncovers some more such houses, which are actually called nail houses.
Another nail house is actually a nail church. Citicorp Center was built without corner columns to accommodate St. Peter's Church, which occupied one corner of the block on which the skyscraper was built. The engineer who built Citicorp Center made a mistake related to the church's accommodation and famously corrected it after the building was built.
