Presidential libraries are not libraries in the typical sense. Richard Nixon Presidential Library and MuseumLangdon Wilson Architecture Planning, 1988–90; 2003–05, additionYorba Linda, CaliforniaWith the passage of the Presidential Libraries Act in 1955, the creation of such depositories was formally enshrined in U.S. law. Gerald R. Ford Presidential LibraryJickling, Lyman & Powell Associates, 1979–81Ann Arbor, MichiganGerald R. Ford Presidential MuseumMarvin DeWinter Associates, 1976–81; Fishbeck, addition, 2015–16Grand Rapids, MichiganThe Ford Presidential Library and the Ford Presidential Museum are located in different places—the former amid the north campus of University of Michigan and the latter in Grand Rapids. Photo courtesy Reagan Presidential Library. William J. Clinton Presidential Library and MuseumPolshek Partnership (now Ennead, a CannonDesign Company), 1999–2004Little Rock, ArkansasBill Clinton’s presidency coincided with the new millennium and the architects of his presidential library designed a metaphorical “bridge to the 21st century.”