Explorer Ernest Shackleton and his crew hoped to be first to cross Antarctica from sea to sea, until their ship became trapped in the ice and began to sink.
At the end of every season, football fans watch the Super Bowl to see the top teams in the NFL (National Football League) battle for the Vince Lombardi Trophy.
Desde los lagos hasta las nubes, hasta la lluvia que cae de nuevo a la Tierra, descubra cómo el agua cambia a través de diversos procesos para formar el ciclo del agua.