Death Valley visitors drawn to the hottest spot on Earth during ongoing U.S. heat wave

As uninviting as it sounds, Death Valley National Park beckons. Even as the already extreme temperatures are forecast to climb even higher, potentially topping records amid a major U.S. heat wave, tourists are arriving at this infamous desert landscape on the California-Nevada border.

As uninviting as it sounds, Death Valley National Park beckons.

Even as the already extreme temperatures are forecast to climb even higher, potentially topping records amid a major U.S. heat wave, tourists are arriving at this infamous desert landscape on the California-Nevada border.

Daniel Jusehus snapped a photo earlier this week of a famed thermometer outside the aptly named Furnace Creek Visitor Center after challenging himself to a run in the sweltering heat.

"I was really noticing, you know, I didn't feel so hot, but my body was working really hard to cool myself," said Jusehus, an active runner who was visiting from Germany. His photo showed the thermometer reading at 120 degrees Fahrenheit (48.8 degrees Celsius).

Most visitors at this time of year make it only a short distance to any site in the park -- which bills itself as the lowest, hottest and driest place on Earth -- before returning to the sanctuary of an air-conditioned vehicle.

This weekend, the temperatures could climb past 130 F (54.4 C), but that likely won't deter some willing to brave the heat. Signs at hiking trails advise against venturing out after 10 a.m., though nighttime temperatures are still expected to be over 90 F (32.2 C). The hottest temperature recorded at Death Valley was 134 F (56.6 C) in July 1913, according to the park service.

Other parks have long-standing warnings for hikers. At Grand Canyon National Park in Arizona, officials are cautioning people to stay off the trails for most of the day in the inner canyon, where temperatures can be 20 degrees hotter than the rim.