 Millions remain under heat advisories as Mother Nature continues to show no mercy. One of the hottest places on Earth right now, California's Death Valley, saw the mercury rise to 127 degrees yesterday. Visitors to the hottest and driest national park in the country advised not to hike after 10 a.m. and to, quote, travel prepared to survive. Not far behind these temperatures, Palm Springs hitting 124. Phoenix on afternoon high of 118. Here's the interesting part. All these areas there in Arizona...