This is my vote for Calgary's worst park.
https://www.google.ca/maps/@51.04684...2!8i6656?hl=en
This was originally supposed to be a 64 storey back in the late 70s or early 80s, but the oil crash in 82 killed it. There have been numerous proposals for another tower here, but nothing has actually happened. The crazy thing about this development is that there is an existing parkade below, and all these planters are placed over the columns below, so one would think this would be one of the first to go when a new office cycle starts.