Hike to the rim of the Grand Canyon in the United States in time for sunset. Watch thousands of wildebeest migrate through the Serengeti and Maasai Mara of Tanzania and Kenya. Swim amid a rainbow of fish on Australia’s Great Barrier Reef.
Take a picture and post it on Twitter using the #WithNature hashtag and tell us why you love or want to visit that special place. We'll share some of them here and on the UN Environment, North America's Twitter account.