Visitors to the Harvard Museum of Natural History are dazzled by the Mineral Gallery’s beautiful specimens, yet the gallery displays only a fraction of the entire collection.

While each of the collection’s 300,000+ specimens has great scientific value, a subset also has significant commercial value. Join Curator Raquel Alonso-Perez for a virtual behind the-scenes visit to view specimens that, for security reasons, are not typically on display. You’ll see a rare opal in matrix from Mexico, tourmalines from the first pegmatitic discovery in the U.S., and crystalline gold, among...

What better place to look for the differences between angiosperms (plants that flower and have enclosed seeds), and gymnosperms (plants with "naked seeds," including conifers, ginkgos, and others), than in the Arnold Arboretum landscape, where over 15,000 plants reside in a living museum. Join our guide as she points out trees in both groups and describes the characteristics of each.

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