finding my place?

I feel like my brain goes around and around in circles...I cannot for the life of me figure out where I fit in. I so desperately want to use my art, use my gifts for something that I believe in but I have no idea how to start. I spend so much time thinking, spinning my wheels about how I can be an artist who is more that just one dimension, who is about more than making money or getting recognized. But at times I barely feel like an artist, I feel small and non-existent and other times I feel as if I possess something greater than I know, creativity that could move mountains. How in the world do I use this to change the world, or even just my world...where do I begin?