Approximately 12,000 years of history is what makes Landmark an internationally recognized archaeological and natural history preserve. A unit of Texas Tech University, site documents a continuous human presence on Southern High Plains since the time of large, extinct mammals such as ancient bison, giant short-faced bear and Columbian mammoth.

The Robert A. Nash Interpretive Center houses a visitor center and museum exhibits, and four miles of outdoor trails offer unique urban greenspace. Features extended hours and on-site archeological work June - Aug..

No admission fee. Northwest of Loop 289 and Clovis Hwy.