* Lowest Spot in the US: Death Valley, California, is the lowest point in North America, at 282 feet (86 m) below sea level.
* Getting Sunburned: Sunburn is caused by exposure to ultraviolet (UV) radiation from the sun.
Therefore, getting sunburned in the lowest spot of the US means:
You are getting sunburned in Death Valley, California, at an elevation of 282 feet (86 m) below sea level.
Fun Fact: Death Valley is known for its extreme heat and intense sun, making it a very likely place to get sunburned!