Turbulent rapids and wild shorelines of the Youghiogheny River highlight natural wonders of the Appalachian Mountains, and midway on the stream’s revealing pa

Photographer and writer Tim Palmer has spent more than 25 years researching and experiencing life on the waterways of the American continent. He has travelled b

A dam proposal sparked the first great conservation battle in the United States when John Muir fought to safeguard Hetch Hetchy Valley in Yosemite National Park