Walden Pond (background video) by Paul Neto, licensed under CC.

"Colonial Inn Concord" by -jkb- is licensed under CC BY 3.0.

"File:Colonial Inn, Concord MA.jpg" by John Phelan is licensed under CC BY 3.0.

"Battle Road Trail, Minute Man National Historical Park, Concord, Massachusetts" by Ken Lund is licensed under CC BY-SA 2.0.

"Concord MA 1951" by davecito is licensed under CC BY 2.0.

"Walden Pond, Concord, MA, August 20, 2020" by BostonPhotoSphere is licensed under CC BY-ND 2.0.

"Walden Pond, Concord MA" by pabsanch is licensed under CC BY 2.0.

"Flooding at the North Bridge, Concord, MA" by CorpsNewEngland is licensed under CC BY-ND 2.0.

"Orchard House in Winter, Concord MA" by John Phelan is licensed under CC BY-SA 3.0.

"Walden Pond, Concord MA" by pabsanch is licensed under CC BY 2.0.

"Old North Bridge, Minuteman National Park, Concord, MA, December 24, 2017" by BostonPhotoSphere is licensed under CC BY-ND 2.0.

"Old North Bridge, Minuteman National Park, Concord, MA, December 24, 2017" by BostonPhotoSphere is licensed under CC BY-ND 2.0.

"Little Women" by Digital Collections at the University of Maryland is licensed under CC BY-NC-ND 2.0.

"Henry David Thoreau, painted portrait _1090933" by Abode of Chaos is licensed under CC BY 2.0.

Map of Walden Pond, Public Domain

Little Women, Public Domain

Alcott House & School, Public Domain

Concord, Massachusetts - Thoreauly Antiques, by Sharon Hahn Darlin. Creative Commons Attribution 2.0

Thoreau lock and key. by Station1. Creative Commons Attribution-Share Alike 4.0

Old North Bridge, by Jared Kofsky, licensed under CC 3.0

"Flooding at the North Bridge, Concord, MA" by CorpsNewEngland is licensed under CC BY-ND 2.0.

"Concord, MA" by tvanhoosear is licensed under CC BY-SA 2.0.