The following is a list of unfinished projects, forgotten ideas, white elephants and missed chances from the past few decades; if there was ever an unfortunate characteristic demonstrable of Montréal, it would be our unfortunate history of not following through on our plans and not having the confidence to continuously find solutions to the inevitable obstacles to our progress:

1. – Mirabel International Airport
2. – Griffintown
3. – Habitat 67
4. РThe Montr̩al Aquarium
5. – Olympic Stadium
6. – Downtown baseball stadium
7. – Expo 67 museum
8. – Overdale
9. – Heritage Theaters/ Downtown Theater District
10. – Turbo-trains
11. – Windsor Station
12. – Victoria STOLport
13. – 1909 PQAA Park Avenues recommendation
14. – Mount-Royal Funicular
15. – Trams
16. – Golden Square Mile mansions
17. – Medical-tourism hospital
18. – Underground City extensions
19. – Pie-IX, West-End, Airport, Anjou, St-Leonard and Longueuil  Métro extensions
20. – Public washrooms
21. РVespesiennes (dit Cam̩liennes)