I did / do. I was raised in a Christian Science "sect" and found some disillusion with it as I matured....and went in an extreme opposite direction in pursuing a career in the medical industry. I went on a quest to find a denomination and church in which I felt at home, visiting and exploring in the process. I never found what I was seeking and so have come to the conclusion that I will be forever without a church home, a perpetual visitor; when invited, I'll go; when curious, I'll go, but I will not join or commit to any one church. My beliefs are too eclectic, and I do not want to be ostracized for not fitting the mold.
All that being said, I think I'm among the few exceptions of how Christians behave. Most do commit to one church and stay with that particular denomination; not feeling any great desire or need to explore outside their own.....maybe from a textbook standpoint or secular observation, but that is all.