AMC Pinkham Notch Visitor Center

"The Appalachian Mountain Club's Pinkham Notch Visitor Center in the center of the grant is a popular starting point for hikes up Mount Washington to the west and up Wildcat Mountain to the east," per Wikipedia's "Pinkham's Grant, New Hampshire" article. "The Appalachian Mountain Club converted a logging camp near the height-of-land into what is now the Pinkham Notch Visitor Center in 1921," per Peter Randall's Mount Washington: A Guide and Short History (1974, p. 142), as cited in Wikipedia's "Pinkham Notch" article.