To dream that you are saving the world, signifies confidence in your abilities and belief in yourself. You have a positive perspective on life and in where you are headed. Don't let someone or something prevent you from progressing forward or question your abilities.
To dream of the apocalypse, signifies an emotional and dramatic change taken place within yourself. The dream may also indicate the end of one kind of lifestyle and the beginning of another
To dream that you are inside a church, suggests that you are seeking for spiritual enlightenment and guidance. You are looking to be uplifted in some way
To see a helicopter in your dream, represents your ambitions and achievements. You are in full pursuit of your goals.