Grizzly bear spotted feet from Alaskan campsite Nate Luebbe was camping in Katmai National Park in Alaska when he spotted a large grizzly bear just feet away. See the moment the wildlife photographer froze! NEW You can now listen to Fox News articles! One of the most visited national parks in the U.S. is closing parts of its hiking trails as officials deal with a spike in bear activity. Great Smoky Mountains National Park in Tennessee has temporarily shut down several trails and backcountry