Gabby Douglas (Amazing Athletes) / Jon M. Fishman

Although she's just 4 feet, 11 inches tall, Gabby Douglas made a larger-than-life impact on the 2012 Olympic Games in London. Gabby dominated the gymnastics all-around competition with her flawless execution and amazingly high flips, winning gold by a landslide. In early 2012, this pint-sized powerhouse was ready to quit gymnastics for good, but she kept going. Competing at the Olympics at just sixteen years old, she became the best female gymnast in the world. Read about this incredible athlete's journey from Virginia Beach to London gold.