Skaftafell, Iceland, deep underneath a glacier in an ice cave. As the glacier moves it collects dirt and grit but in places where it doesn't it allows light to travel through the turquoise ice, creating this surreal environment.
Sea of Stars Photograph by Doug Perrine, Alamy Pinpricks of light on the shore seem to mirror stars above in an undated picture taken on Vaadhoo Island in the Maldives. The biological light, or bioluminescence, in the waves is the product of tiny m pictur
The Tip of the Iceburg, Ralph A Clevenger - The image is a composite of four different photos: the iceberg top was shot in Antarctica; the iceberg bottom was shot in Alaska (and was taken above the water); and the sky and water shots are from California.