Every so often the planet takes a hit from space. The scars left by ancient asteroid and meteorite strikes can be dozens of kilometres wide, some forming lakes, others still bare rock millions of years later. Here are ten of the most incredible impact craters on Earth. An impact crater, also known as meteorite crater is a crater created by a...
When a volcano falls silent, water sometimes gathers in its crater to form a lake of startling beauty. Crater lakes are often impossibly blue or green, ringed by steep walls and hidden high in the mountains. Here are ten of the most beautiful crater lakes in the world. A crater lake is a lake that forms in a volcanic crater or caldera. But could...
