Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet ...
Why it's incredible: The lake is one of the largest on Earth, but it lies beneath several miles of ice. Lake Vostok is a giant lake in Antarctica that is similar in size to North America's Lake ...
The Lake District is a national park in North West England. It is England's largest national park and covers 2362 square kilometres. It is home to the highest mountain in England - Scafell Pike ...