Visual Research

An impressive catalog of NASA images and animations of Planet Earth.

Hosted by The University of Pittsburgh, this site contains high quality scans of a complete double elephant folio set of Audubon’s Birds of America, accompanied by his Ornithological Biography.

The collection from the National Library of Medicine (NLM) includes portraits, pictures of institutions, caricatures, genre scenes, and graphic art in a variety of media, illustrating the social and historical aspects of medicine.

Created by a Working Group at the Centers for Disease Control and Prevention (CDC), the PHIL offers an electronic gateway to CDC's pictures.

This rich, unique collection has a wealth of images with themes ranging from medical and social history to contemporary healthcare and biomedical science.

Expansive list of government sites with images categorized by scientific discipline. Includes agriculture, astronomy, biology, earth sciences, engineering, energy, health sciences, and more.