Explore the Harvard Museum of Natural History during extended hours! Join informal tours of the galleries with Harvard graduate students and participate in special programs. Check out the famous glass flowers, and don't miss the museum's newest exhibit: "Headgear: The Natural History of Horns and Antlers."

At 6:30pm, join Allison Gale, a graduate student in Harvard’s Earth & Planetary Sciences, for a tour through the museum's historic gems and minerals gallery. She will discuss how the gallery's more than 3,000 specimens were collected, and what makes them so scientifically valuable.

Then, at 7pm, join wildlife author Sy Montgomery for a lecture and booksigning: "Birdology: From Hens to Hummingbirds—And One Big Living Dinosaur."