The upland woods at the east end of the arboretum is a fragment of the type of mixed oak forest one is likely to find in eastern Massachusetts.
A small brook known as the Silver Thread winds through the garden from a waterfall at the east end of the campus and empties into Paramecium Pond.
With its highlight on plant form, Global Flora Conservatory carries Margaret Ferguson's vision of "laboratories under glass" into the 21st century.
It is a showcase of living beauty highlighting plant form, as well as a new node for interdisciplinary science research and teaching, and an innovative example of sustainable design.
Located on the slope below the Whitin Observatory, this designed plant community mimics the properties of a natural ecosystem but produces food and other products useful to humans with a minimum of maintenance.