Which geographic region in the United States contains Death Valley, the lowest point in the United States?

Lying mostly in Inyo County, California, near the border of California and Nevada, in the Great Basin, east of the Sierra Nevada mountains, Death Valley constitutes much of Death Valley National Park and is the principal feature of the Mojave and Colorado Deserts Biosphere Reserve.

John Adams

Explanation:

John Adams, a remarkable political philosopher, served as the second President of the United States (1797-1801), after serving as the first Vice President under President George Washington.