I know what this feels like. I've been there. Several times. In that moment of powerful epiphany brought on by the overwhelming silence of near-perfect light. Once in a moment such as that a switch within the soul is turned on. Nothing can ever turn it back off.
Listen to Ansel Adams's own words between the 2:18 and 3:00 minute marks and you will hear the echoes of what it feels like to become completely lost within something far greater than the self while at the same time arriving where you were always meant to be.