In the late 1800s, geologists studying the Great Plains region of the United States puzzled over strange deposits. For example, a "white, flour-like earth" in Nebraska. Although initially thought to be from nearby hot springs, under the microscope it was determined that these deposits, which could be found across the region, were from volcanic ash that had rained down from some huge prehistoric eruption.

Along 1,600 miles of the Eastern Seaboard, from Maine to Florida, climatological alterations are challenging the National Park Service to figure out how best to protect wildlife and their habitats, as well as historic structures, archaeological sites, modern infrastructure, landscapes, and, of course, visitors.

Indigenous traditions, stories and knowledge have shaped the history of what is now known as Jasper National Park. To honor the contributions of these First Nations and to celebrate their influence on the region since time immemorial, Parks Canada has invited Indigenous partners to share the stage at Whistlers and Wabasso campgrounds this summer.

Dangerous heat waves were reaching into the National Park System on Sunday, with Death Valley National Park told to expect a high temperature Sunday of 129° Fahrenheit, and parts of Sequoia National Park were eyeing 113°F.