Walden Pond is a sublime place of peace and spirituality. Writer and philosopher Henry David Thoreau built a one-room house in 1845 and lived on the shores of the pond for two years, two months, and two days. It is this "experiment in independent living" that draws millions of people to visit the pond and to pay homage to the man sometimes called the father of American conservation. Situated in woodland outside the town of Concord, the pond and the...