Look Inside a Monster Truck: How It Works

Cristiano Ronaldo

Gymnastics: A First Look

Justin Bieber: Singing Sensation: Singing Sensation

Formula One Race Cars: A First Look

Kristen Stewart: Twilight Star: Twilight Star

Pro Football by the Numbers

Stephen Curry

The Summer Olympic Games

Michael Jackson: Music Legend: Music Legend

Pelé: Soccer Hero

Zac Efron: High School Musical Star: High School Musical Star

Football Superstars

One Direction: Popular Boy Band: Popular Boy Band

Sandy Koufax: Lefty Legend

Jonas Brothers: Singing Sensations: Singing Sensations

Tiger Woods: Major Winner

Kyrie Irving

Wilma Rudolph: Running for Gold

Cristiano Ronaldo: International Soccer Star