36 C.F.R. § 1206.34

In addition to other programmatic limitations established by the Commission as found in the grant opportunity announcements, NHPRC does not support proposals:

(a) For building projects;

(b) To purchase manuscripts or historical records;

(c) For projects involving substantial work with artifacts, library materials, or works of art; or

(d) For exhibits or celebrations, reenactments, and other observations of historical events.