Some of it is by voluntary efforts, others is just knowing the right people who have the access or the facility, some of it is simply a zoo or menagerie,
@Darcs. In this case, the lynx compound was a private rescue and breeding site, but the large site was an exotic-big cat breeding facility, specifically the Mojave site.
From one desert to another, all on business, but there's ample time and reason to visit any place of feline importance. I went to California previously just for the expressed reason of going on effective pilgrimage to La Brea.