11th-century Pueblo ruins, historical buildings and museum. Initial builders and occupants, referred to as the Primary occupation, were colonists from or had very close ties with the inhabitants of Chaco Canyon.

The Salmon Ruins Library holds over 17,000 books, periodicals, and technical reports on the various aspects of archaeology, anthropology, geology, and regional history. The Salmon Ruins Library is open to every member of the public for research purposes. However, check-out privileges are restricted to members of the San Juan County Museum Association, San Juan County Archaeological Association, and to members of the Totah Tracers. The Salmon Ruins Library is staffed only by volunteers.

The Spring River Park and Zoo is the only Free Zoo In New Mexico and has within its boundaries, a youth (age 15 and under) fishing lake. an antique carousel and miniature train that the kids and young at heart can ride, picnic facilities, playgrounds and the eastern terminus of the Spring River Recreational Trail. A Longhorn Ranch, Prairie Dog Town and a Children's Zoo area can also be found in the park. The Zoo features native and exotic animals and birds.