When planet Earth looks like art: The western region of Australia's Great Sandy Desert is in an area almost devoid of sand, but characterized by complex geology. Image courtesy of USGS National Center for EROS and NASA Landsat Project Science Office
Akpatok Island lies in Ungava Bay in northern Quebec, Canada. Accessible only by air, Akpatok Island rises out of the water as sheer cliffs that soar 500 to 800 feet to above the sea surface. The island is an important sanctuary for cliff-
In a small corner of the vast Great Sandy Desert in Western Australia, large sand dunes—the only sand in this desert of scrub and rock—appear as lines stretching from left to right. The light-colored fan shapes are scars from wildfires.