Katy Perry: From Gospel Singer to Pop Star

American Pop: Hit Makers, Superstars, and Dance Revolutionaries

American Country: Bluegrass, Honky-Tonk, and Crossover Sounds

American Latin Music: Rumba Rhythms, Bossa Nova, and the Salsa Sound

Jennifer Lawrence: The Hunger Games' Girl on Fire

Andrew Luck

Aaron Rodgers

David Karp: The Mastermind behind Tumblr

Carmelo Anthony

Pope Francis: First Pope from the Americas

Abby Wambach

Gabby Douglas

David Beckham, 2nd Edition

Tillie Pierce: Teen Eyewitness to the Battle of Gettysburg

The President, Vice President, and Cabinet: A Look at the Executive Branch

Mariano Rivera

American Rock: Guitar Heroes, Punks, and Metalheads

Beagles

German Shepherds

Labrador Retrievers