A Preservationist in the Gilded Age: John Muir's Love for Glaciers in Alaska

John Muir explored Alaska during the late nineteenth century and early twentieth century. During those years he discovered many secrets of the glaciers in Alaska.

John Muir, who took seven trips to Alaska during the second half of his life, became one of nineteenth-century America’s main symbols in the fight against irresponsible industry.
Photo by Fotolia/Lefteris Papaulakis