John Freeburn

National Geographic presents a comprehensive view of the spectacular California coastal area known as Big Sur—through the eyes of three intrinsical...

30 de mar. de 2010

O tubarão-touro está em terceiro lugar, atrás dos grandes tubarões-tigre e tubarões-brancos, em ataques mortais a humanos. Enquanto a mudança climá...

27 de jul. de 2020

Glacier National Park is undergoing dramatic changes. As the glaciers that give this wilderness its name rapidly melt away, it is clear the park wi...

31 de ago. de 2010

07 de jan. de 2017

Embark on a month-long expedition to explore stunning coral reefs, shallow water environments, and rare species in America's newest marine sanctuar...

01 de jan. de 2008