Since the ALS Association began tracking the Ice Bucket Challenge progress on July 29, it has raised more than $53.3 million from 1.1 million donors in what is one of the most viral philanthropic social media campaigns in history. This Aug. 20, 2014 photo released by NBC shows host Jimmy Fallon, left, dumping a bucket of ice water over the head of actress Lindsay Lohan as she participates in the ALS Ice Bucket Challenge on "The Tonight Show Starring Jimmy Fallon," in New York.