National Parks Traveler

Books have been written about the waning waters of the Colorado River drainage, and roughly $1 million has been spent to deepen boat channels at Lake Powell, but perhaps the best evidence symbolizing the plight of the once-majestic river is a photo from Space.

Treasures of history, culture, and natural beauty contained within the National Park System are increasingly at risk to the perils of climate change, with flooding and wildfire likely to sweep numerous park sites across the country, according to the Union of Concerned Scientists.

With the camping season upon us, be sure you pack accordingly. And if you're heading to Sequoia National Park, that means "for marching purposes, the sleeping bag will give better service on account of its compactness. ... For camping out, a mess kit, frying pan, coffee pot, dutch oven, or baking reflector is absolutely necessary." At least that's what the Interior Department recommended in 1912 in its booklet for "Sequoia and General Grant National Parks."

The beauties of technology continue to make it easier to appreciate and enjoy the national parks. The latest is the arrival of high-definition cameras focused on Old Faithful in Yellowstone National Park.