Death Valley is a naturally occurring desert basin, one of the hottest and driest places on Earth, where life struggles because the environment is inherently hostile to most organisms.
Silicon Valley is an artificially cultivated economic ecosystem, one of the most capital-rich and idea-dense places on Earth, where life struggles because the environment is socially, economically, and ideologically hostile to those who do not conform to its rules.
In one, the earth kills you. In the other, the dream does.