Death Valley, CA at -282 feet and New Orleans, LA at -8 feet. That's it! http://en.wikipedia.org/wiki/List_of_U.S._states_by_elevation
Mt. McKinley in Alaska, at about 20,320 feet (6,194 m) above sea level, is the highest point in the United States.
Colorado has the highest average altitude among the states in the US.
Death Valley, a part of the Mojave Desert.
The Dead Sea is at an altitude of 423m below sea level.add The Salton Sea in US is 69m below seal level.
The mountain with the highest elevation above sea level in the United States is Denali (aka Mt. McKinley) in Alaska.
Parts of the Mojave Desert in Death Valley are below sea level making it the lowest desert in the United States.
The west has more mountains and a higher altitude compared to the east with slight hills and at or below sea level
The Salton Sea
3000 feet above sea level
The tallest mountain in the contiguous U.S., is Mt. Whitney in California and its elevation is 14.505 feet above sea level.
Leadville is the highest city in the United States and it is located in the state of Colorado.
The United-States of America TLD (Top Level Domain) is .us