200 Years. 200 Stories.

In celebration of our first 200 years, we’ve selected 200 stories that provide a glimpse into the Academy’s rich history and amazing discoveries of yesterday and today. Meet some of our quirkier personalities, and find out the secret stories behind some of our most well-known exhibits, scientific breakthroughs, and more. Follow along with us every day, now through March 20, 2012.

See more stories.

Plan your visit, check out our new exhibits, and find out about upcoming activities.
Discover the past and explore the future of the natural sciences in our online exhibits.
Make a difference, browse our programs, and get involved with the natural world.