A kayaker makes his way through a roaring set of rapids Monday, Aug. 19, 2002, at the Great Falls of the Potomac in northern Virginia on the Potomac River. The river began quickly cutting into bedrock about 35,000 years ago, carving out gorges that remain scenic wonders today. (AP Photo/Ron Edmonds, File)
Laird Hamilton is seen surfing a Tahitian wave in the new documentary 'Riding Giants'. Move over Michael Moore. With the director's controversial 'Fahrenheit 9/11' cooling at box offices after $94 million in ticket sales in about four weeks, a new wave of documentaries is headed for audiences hungry for more than standard Hollywood popcorn. (Sony Pictures Classics/Reuters)