Idaho Code § 67-4601
Whereas the legislature of this state has determined that the historical, archeological, architectural and cultural heritage of the state is among the most important environmental assets of the state and furthermore that the rapid social and economic development of contemporary society threatens to destroy the remaining vestiges of this heritage, it is hereby declared to be the public policy and in the public interest of this state to engage in a comprehensive program of historic preservation, undertaken at all levels of the government of this state and its political subdivisions, to promote the use and conservation of such property for the education, inspiration, pleasure and enrichment of the citizens of this state. It is hereby declared to be the purpose of this act to authorize the local governing bodies of this state to engage in a comprehensive program of historic preservation.
Idaho Code § 67-4601