In his latest episode of Yosemite Nature Notes, videographer Steven Baumgardner trains his cameras on the mighty black oaks of Yosemite National Park and tells their story.

A plan that would, in part, showcase the National Park Service's commitment to reduce plastic bottle litter was partially derailed when Coca Cola raised its concerns over the plan with Park Service Chief Jon Jarvis, who blocked a ban on disposable water bottles at Grand Canyon National Park.

Wondering how much those two new units of the National Park System cost you? Initially, you can place the combined budgets of Fort Monroe National Monument and Paterson Great Falls National Historical Park at possibly as much as $1.4 million...or as little as $725,000.

It was a good shot, and a good kill, but the Idaho man who thought he was hunting inside the Bridger-Teton National Forest actually was inside Grand Teton National Park when he killed the bison. And hunting bison in the national park is illegal.