This is just amazing.

http://news.nationalgeographic.com/2017/02/fish-pike-bass-ice-fishing-lake-indiana/?utm_source=Facebook&utm_medium=Social&utm_content=link_fb20170207news-icefish&utm_campaign=Content&sf54905948=1

Far beneath a remote mountain range in Uzbekistan lies a winding underworld known as Dark Star. Eight expeditions have explored the cave so far—but no one knows how far it extends.

http://www.nationalgeographic.com/magazine/2017/03/dark-star-deepest-cave-climbing-uzbekistan/?utm_source=Facebook&utm_medium=Social&utm_content=link_fb20170207ngm-darkstar&utm_campaign=Content&sf54744609=1

Natgeo wrote about these ancient trees

http://proof.nationalgeographic.com/2016/03/24/these-ancient-trees-have-stories-to-tell/?utm_source=Facebook&utm_medium=Social&utm_content=link_fb20170129proof-ancienttrees&utm_campaign=Content&sf53262372=1