Though it's called a "wild and scenic river plan," roadside parking will be a victim of the approach Yosemite National Park officials are taking to protect the Tuolumne River.

They are some of the most acrobatic fish you’ll ever encounter, hurtling their silver bodies high out of rivers when motorboats pass by. But Asian carp that have been invading the Mississippi River drainage the past two decades pose a serious threat to both the native fish in the Great Lakes and Minnesota’s waters and to regional economies.

With bears present in the Needles District of Canyonlands National Park, backcountry travelers heading into the district will need to use bear canisters to store their food and garbage.

There are only so many vehicles you can squeeze into Zion National Park, and fewer parking spots. And with spring weather in the offing, park rangers just might start ticketing folks who park in the wrong spot.