Rick Perry ended his presidential campaign Sept. 11, but there was $13 million left in the bank of a superPAC supporting him. The superPAC says it's given donors their money back. Scott Olson/Getty Images hide caption

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A big crowd turned out for the March of Dimes walkathon in Gainesville, Fla., in early March. But overall, the March of Dimes' March for Babies raised $3.5 million less in 2014 than it did the year before. Elizabeth Hamilton/Gainesville Sun/Landov hide caption

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Facebook CEO Mark Zuckerberg has launched an Ebola donation campaign on the website and tossed in $25 million of his money to help fight the virus. Ben Margot/AP hide caption

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Tom Murphy, 56, in his home in Gainesville, Va., was diagnosed with ALS four years ago. An experimental drug seems to have slowed the progression of his disease, he says, though most ALS patients aren't as lucky. T.J. Kirkpatrick for NPR hide caption

toggle caption T.J. Kirkpatrick for NPR

Bill Gates, Martha Stewart, LeBron James, Lindsay Lohan, Kermit the Frog and Conan O'Brien all got icily drenched for charity. via YouTube hide caption

toggle caption via YouTube