earth.

An aerial view of <n>Stonehenge</n> in Wiltshire, England, covered in snow.

A 1985 photograph of China's <n>Guangxi Province</n> by <n>Harry Gruyaert</n>.

<n>Desert Breath</n> (1997), a land art installation by <n>D.A.ST. Arteam</n> in Egypt. Photo by <n>Danae Stratou</n>.

<n>The Fairy Glen</n> on the Isle of Skye, Scotland. Photo by <n>Filippa Edghill</n>.

The partially excavated <n>Great Sphinx of Giza</n>, c. 1870s. Photo by <n>Félix Bonfils</n>.

<n>Transamazônica</n>, a photograph by <n>Pedro Martinelli</n>.

The <n>Fyrkat</n> Viking ring castle in Denmark, photographed by <n>Ted Spiegel</n> for <n>National Geographic</n> in 1970.

A stop-motion short film titled <n>WoodSwimmer</n> by animator <n>Brett Foxwell</n>.

Used as cover art by musicians <n>Hazlett</n>, <n>Alexander Biggs</n>, and <n>Lauren Preuss</n>.

The <n>Li River</n> in Guilin, China, a filming location for the planet <n>Kashyyyk</n> in Star Wars.

Horses cross a hillside in the <n>Altai Mountains</n>, Russia.

Swimmers at the <n>Chebika Oasis</n> in Tozeur, Tunisia.

Scientists study <n>melt ponds</n> in the Chukchi Sea during <n>NASA</n>'s <n>ICESCAPE mission</n>, 2011. By <n>Kathryn Hansen</n>.