To see a tower in your dream signifies high hopes and aspirations. If you are looking down from a tower, then it indicates that you have a perceived superiority over others. Your ego is inflated. Alternatively, a tower symbolises the phallus.
To see a water tower in your dream suggests that you are keeping your emotions inside. You may be unable to express your true feelings, especially feelings of love. Alternatively, a water tower indicates a false sense of security.
To dream that you are climbing a tower denotes your quest for spirituality and subconscious ideas that may be surfacing.
To dream that a tower is falling or crumbling, heralds a drastic change ahead.