Barracks 
Dreaming of empty barracks implies a weakness of resolve and as much as you may feel you have the support of an army in your family and friends, you may find them unwilling to deal with this particular fight.
Dreaming that you are standing in a barracks with many other soldiers may be a message of strong support in a confrontation you find yourself in.
Marathon
In a dream, a marathon refers to your race through life. This journey may be a struggle or it might be an inspiration for you. You may feel like a champion in your dream because you are looking forward to winning a promotion at work or completing a big project. It symbolizes your fight to achieve your goals.
Apartment
To dream about an apartment represents your current position of monetary well-being. To dream of a large, lavish apartment implies that an aspect of your life will substantially increase in value. To dream of a shabby and dark apartment signifies that you may experience a run of bad luck or may lose something of great importance and value.
Water Gun
To spray someone with a water gun in a dream represents your need to express your emotions toward that person. Your true feelings might be misinterpreted as your anger or love is simply creating an annoyance in the other person.
Prostitute
To dream you are a prostitute suggests your desire to experience and express absolute sexual freedom and power. You are preoccupied with thoughts about letting go of your inhibitions and fully exploring your sexuality. Your actual sex life may be too frigid. On the negative side, you may be nursing guilty feelings and bad thoughts about your current relationships. You have difficulty in reconciling a Puritan upbringing with having sex.
To dream you are with a prostitute suggests sexual deprivation or inadequacy. On the other hand, you may prefer a straightforward and easier way to have sex.
Tree House
To dream that you are in a tree house suggests that you trying to elude your problems. You are shutting out the realities of daily life.
To dream that you are building a tree house suggests that you are diligent and hardworking. You are focused on your goals. This dream is about enhancing and enriching yourself to optimize your potential.
Water Park
A water park in a dream represents emotional intensity. For many, a trip to a water park represents great joy and a connection to childhood.
Alternatively, the rapid and twisted flow of water may symbolize inner turmoil and confusion.
Gas Chamber
To dream of seeing yourself in a gas chamber indicates you are feeling trapped in your life or feel you are in a negative situation that is important to leave or get away from it.
Sleeping Bag
To dream of sleeping bag symbolizes comfort and safety. You want to get in touch with the different aspects of your personality and spirituality.
Weightlifter
To be a weightlifter in a dream is to be a powerful self-confident person.
To meet a weightlifter in a dream is to meet someone who has a lot of self-confidence. This person may be there to teach you to gain that power.