Many sites in the south central states recall the procession of people who came across the continent with the passing frontier. This paper elaborates on several historic sites in the south central United States. The purpose of the paper is to introduce a series of places to the students and teachers of U.S. history. The paper recommends that interested students pursue a study of the important people and significant events associated with a site. It suggests using the Internet for maps, pictures, photos, and general information. The paper provides a short description of the heritage of select sites in Arkansas, Colorado, Kansas, Missouri, New Mexico, Oklahoma, and Texas. (Contains 13 suggestions for further reading.) (BT)