Prepare to witness life at its most dramatic. #EarthsNaturalWonders: Living On The Edge begins Wednesday 5th August at 9pm on BBC One. | BBC One

See the world closer than ever before. Experience the wonder now on 4K UltraHD, Blu-ray, DVD and Digital HD | BBC Earth

Earth's natural wonders are often so large and magnificent they defy belief. For human beings, survival within these extraordinary places can pose great challenges. Join us for the season premiere of Earth's Natural Wonders Wednesday at 8:00 p.m. and learn more about the bravery and ingenuity required for survival from the high Himalayas, to the Canadian arctic; the Brazilian Amazon, to the Australian Outback. #EarthWondersPBS | PBS SoCal

Iguazu Falls, Argentina - One of the seven natural wonders of the world! @wonderful_places_to_go / @Victorzini | Aurora Borealis Observatory

Iguazu Falls is one of the seven natural wonders of the world! 😍 | World's Amazing pictures