Watch the incredible contortionist Sofie Dossi, age 14

Sofie Dossi, a finalist in this season of America's Got Talent, "is a self-taught contortionist and hand balancer. She became captivated at age 12 after watching an online video. Having been a competitive gymnast and dancer, she had a great foundation of strength and flexibility and advanced her skills using YouTube videos as her teacher, combined with disciplined practice at home."