1963. In 1968, Holt along with Robert Smithson and Michael Heizer visited the American West for the first time, which culminated in her photographic series Western Graveyards which focused on the cemeteries of Virginia City, Nevada and Lone Pine, California. This trip was a catalyst in formalizing her artistic language and location-based works.

Holt began her artistic career as a photographer and as a video artist. In 1974, she collaborated