Environmental historian Brian Donahue leads an interpretive walk in Walden Woods.

Jeffrey Cramer, WWP Library Curator, lectures on Thoreau's life in 19th century America.

Jayne Gordon, historian, gives a tour of Concord (Thoreau's jail site).

Jayne Gordon gives a tour of Concord (South Burying Ground).

Seminar participant journaling on the Thoreau Institute grounds.

Artist Jeannie Abbott presents a workshop on nature journaling.

Seminar participants observe abundant life in a vernal pool with Matt Burne, wetland ecologist and WWP Land Conservation Coordinator.

Examining vernal pool specimens, upclose and personal.

"Hawks...I perceive, sailing about in the clear air, looking white against the green pines, like the seeds of the milkweed.” - HDT Journal, 1851