[4][5] City is maintained by the Triple Aught Foundation and opened on September 2, 2022, to limited, reservation-only viewing by a maximum of six visitors per day.

City is owned and administered by the nonprofit Triple Aught Foundation with a board including Heizer and leaders from arts organizations.

[5] Garden Valley has been eyed for several major projects in the years since Heizer started working on his sculpture.

In the 1970s and early 1980s, the government planned to crisscross the valley and others nearby with railroad tracks that would carry MX missiles to and from hidden silos.

[10] The proposed Yucca Mountain Repository, a U.S. Department of Energy terminal storage facility for spent nuclear reactor and other radioactive waste would have included a new railroad line across Garden Valley, and would have come within its sightline.