UNCONTACTED

ootball games at Louisiana State University draw tens of thousands of fans to Tiger Stadium and its environs. A sea of revelers, clad in purple and gold, spills out in all directions, and a first-time visitor—washed along to the tailgating lots northeast of the gridiron—might be surprised to come across a pair of grassy knolls lying between the Huey P. Long Fieldhouse and the student union. Known as the LSU Campus Mounds, these 20-foot hillocks, according to the university, “are among the oldest human-made edifices in the Americas,” and research shows that they were carefully aligned