Recently, I dug up a box of old newspaper clippings, and I thought it would be fun to start a thread about buildings that were proposed, but never built in St. Louis. I encourage anyone else to add images also. (Thanks to RBB and Moorelander for helping me finally figure out how to post images)
Let's start with the old Mercantile Center. Originally planned to have four office towers plus a hotel, only the 35-story Mercantile Tower was built (now known as U.S. Bank Plaza).
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Later, the May Co. got involved with the middle two blocks of the development area, and proposed an enclosed shopping mall connecting Famous Barr with Stix Baer & Fuller. A 30-story hotel was to be built above the mall:
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After the May Co. dropped out, the Melvin Simon Company from Indianapolis proposed a new version of the mall. Eventually this evolved into St. Louis Center, which has now been converted into the MX (Mercantile Exchange):
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Let's start with the old Mercantile Center. Originally planned to have four office towers plus a hotel, only the 35-story Mercantile Tower was built (now known as U.S. Bank Plaza).

Later, the May Co. got involved with the middle two blocks of the development area, and proposed an enclosed shopping mall connecting Famous Barr with Stix Baer & Fuller. A 30-story hotel was to be built above the mall:


After the May Co. dropped out, the Melvin Simon Company from Indianapolis proposed a new version of the mall. Eventually this evolved into St. Louis Center, which has now been converted into the MX (Mercantile Exchange):



















