Number of new tuberculosis cases: 9,582 (2013) Number of new salmonella cases: 50,634 (2013) Number of new Lyme disease cases: 36,307 (2013) Number of new meningococcal disease cases: 556 (2013)
Death Valley, California, is the largest national park in the contiguous United States: 3.4 million acres of desert vastness. At first glance it appears to be a barren wasteland, to be hurried through as quickly as possible, but the alert visitor soon recognizes that there is much here to see and experience.
As the lowest point in North America, Death Valley belongs to a world-wide geographic roguesâ gallery, whose members share these defining features: To have exposed land below sea level, an extremely dry climate is necessary. In wet climates, low places fill with water and overflow to the sea.