The Tapanuli orangutan is the most endangered great ape on the planet
They are only 800 left, and their habitat is seriously threatened. Their name: the Tapanuli orangutans.
Somewhere in California lives the world's oldest tree
General Sherman: the largest living organism in the world
3 of the most beautiful beaches in the world
Indonesia: this is the largest highly acidic lake in the world
New Mexico's striking Carlsbad Cavern
Japan's mysterious glowing squid