The pilot of the tailwheel-equipped airplane reported that during the landing flare she could not see forward beyond the engine cowl, and due to the side-by-side seat configuration of the airplane she lost sight of right side of runway. She recalled that the airplane touched down slightly left of the center line and continued to roll further left. She reported that she applied full right rudder and applied the brakes in order prevent a runway excursion to the left, but the airplane nosed over and partially exited the left side of the runway. The airplane sustained substantial damage to the left wing, the vertical and horizontal stabilizer, and the rudder. The pilot reported that there were no mechanical malfunctions or anomalies with any portion of the airplane during the flight that would have prevented normal flight operation.