Walden is a classic of American philosophy that describes Thoreau's concepts of self-reliance and individualism. In "On the Duty of Civil Disobedience," he develops the philosophy of nonviolent political protest.

During the five-year voyage of the Beagle, the young naturalist Charles Darwin collected some of the scientific evidence that led to his ideas on evolution and natural selection. Ever resourceful, he made observations on the open sea,...

A simple description of a flowering plant's life cycle through the seasons.

After his humiliating election defeat in 1912, Roosevelt set his sights on the most punishing physical challenge he could find, the first descent of an unmapped, rapids-choked tributary of the Amazon. Together with his son Kermit and...

Robert Macfarlane sets off from his Cambridge home to follow the ancient tracks, drove roads, and sea paths that crisscross the British landscape and its territories beyond. The result is an enthralling exploration of walking as both an...

For more than 50 years, William Francis Ganong explored the wilderness of New Brunswick to document its natural history. The importance of his work is well understood by academics studying natural history or cartography, but for the...

For years, America's national parks have provided public breathing spaces in a world in which such spaces are steadily disappearing, which is why close to 300 million people visit the parks each year. Now, to honor the centennial of the...

Along the coast between Vancouver Island and Alaska lies 250 miles of forested island and inlets. Ian and Karen McAllister spent seven years photographing and mapping this forgotten wild ecosystem. Their informative text and remarkable...

Though it was discovered almost 500 years ago, few people have visited Sable Island. Despite modern naviational tools, excessive fog and stormy weather still make travelling to Sable a challenge. Add government restrictions limiting...