publication date: Thursday, March 14, 2013 (part of Spring 2013)
clue: His career as an explorer peaked somewhere in Colorado.
explanation: Among Pike's discoveries was the famous mountain that came to be called Pike's Peak. more…
solved by: Russ Wilhelm, Steve West, Samir Mehta, Justin Woods, LaVonne Lemler, Chris Lemler, Joanna Woods, Matthew Preston, Richard Slominsky, Denise Sawicki, Mike Rothstein, Steve Dunn, and Erik Bates