Thousands of people are expect to descend on the Mall in Washington, D.C., on Saturday to celebrate not believing in God. It's being called a sort of "Woodstock for Atheists," a chance for atheists to show their power in numbers and change their image.
The "Reason Rally" could attract up to 30,000 people; organizer David Silverman says it marks a coming-of-age for nonbelievers.
"We'll look back at the Reason Rally as one of the game-changing events when people started to look at atheism and look at atheists in a different light," Silverman says.