Online Exhibits
Audubon Bird of the Week
Every week, a page is turned on one of the Academy's treasures, a full elephant folio of John James Audubon's Birds of America. See what's showing this week.
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Digital Collection
Digital Collections features natural history illustrations and archival materials from the collections of the Academy's Library. read more
Joseph Leidy
This extensive online exhibit presents the life and works of Joseph Leidy, an influential 19th Century paleontologist, anatomist, microscopist, and teacher. read more
Presidential Hair Album
Peter Arvell Browne's hair albums are among the more unusual holdings of the Ewell Sale Stewart Library & Archives. One of the albums contains hair from our first presidents. read more
Thomas Jefferson Fossil Collection
Charles Willson Peale's “Mammoth,” Cuvier's “Revolutions,” Buffon's “American Degeneracy,” Jefferson's “Giant Claw,” and Big Bone Lick are parts of the story behind our third president's fossil collection. read more
What am I?
Each month, we present a new image that is a detail of a larger image. Your job is to guess what it is. read more