Yes, Corrie Ten Boom's "Hiding Place", God was with Corrie and her sister Betsie in the Nazi concentration camp.  Lord lives in the center of each one of us.
So many times Lord talked to me from this inner most dark room in me and one time in my prayer I saw his hand extended out to me and asked me to join him in that dark secrete inner most room.  At that time I was scared and so worried about my difficulties in my life I could not willingly enter.   However, I somehow felt some part of my spirit remain in that dark inner room with Lord!   
However, these mystical experiences are not all that helpful to live your life! 
For you get so distracted by them that you get lost not knowing how to live life on earth or life in spirit!
So, God have mercy on me help me!