Built during 1844 -1869 by master craftsmen of local granite and brick, Fort Knox(this is the original) is a splendid example of 19th Century military architecture. The ambiance of an ancient castle, Fort Knox is the gateway to the 420' Penobscot Observatory - the only 1 in the Western Hemisphere - you can see for miles. Fort Knox hosts Civil War Re-enactors and a variety of special events throughout the season. For a list of special events  consult the web site at FortKnox.MaineGuide.Com