Aerial photographs, orthoimagery, and satellite imagery. Coverage is available at different scales and includes the Earth's land, oceans, and atmosphere. Resources are listed by their area(s) of geographic focus.
National Snow & Ice Data Center's online collection of photographs of glaciers, mostly taken in the Rocky Mountains, the Pacific Northwest, Alaska, and Greenland. Includes a limited amount of photos of glaciers in other parts of the world. Photographs were taken from both the air and the ground.
Images preserve a high-resolution picture of the world as it existed in the 1960s. They constitute a unique resource for researchers and scientists studying environmental change, agriculture, geomorphology, archaeology and other fields.
NAIP acquires aerial imagery during the agricultural growing seasons in the United States. A primary goal of the NAIP program is to enable availability of digital orthophotography within a year of acquisition.