Underground 
To dream that you are living underground signifies a loss of status, wealth, and the longing for a greater piece of mind and sanctuary. You may be placing these matters and thoughts into the subliminal part of your mind.
To dream while you are riding in an underground railroad represents anguish and concern rising up from an unusual activity.
US Mail Box
To dream of a US Mail Box represents that you might be asked to join in an unlawful activity.
When you mail a letter in your dreams, this represents that you are accountable for a problem that you are currently experiencing.
Upside Down
To dream that you are upside down represents that there is a problem in your conscious life that you need to fix. It can also mean that your initial presumptions are completely different than what you have originally thought.
Vaccination
To dream you are receiving a vaccination is an indication that a weakness exists within you. Consider what this weakness is and learn to overcome it. For example, you may be prone to procrastination. If so, learn how to motivate yourself.
To dream that someone else is getting vaccinated foreshadows you will see suffer disappointment in either your personal or professional life.
Virgin Mary
To dream of the Virgin Mary denotes inner peace and balance. It may also be a representation of the perfect mother. Finally, the Virgin Mary may be indicative of hidden sexual desires or confusion, especially in regards to a relationship.
Wind Chimes
To dream of wind chimes, either seeing or hearing them, represents tranquility and harmony. It may further symbolize the passage of time or favorite memories.
Wine Cellar
To dream of a wine cellar indicates good times and great pleasure.
Caterpillar
To dream of a caterpillar implies that you are slowly progressing towards reaching your inner spirituality. You haven't yet achieved your objectives, but you are definitely on the right path.
Certificate
To dream of a certificate implies that you are desperately searching for authenticity of facts or information. You want to be completely sure that this information is accurate before you come to a conclusion
Cheerleader
To dream of a cheerleader symbolizes rivalry and success. Perhaps you should recognize the strengths and achievements of others and voice this recognition to them.
To dream that you are a cheerleader indicates that you possess a positive attitude and you are very sure of yourself. It suggests that need to place more energy into a certain issue.