
Earth Day: Wild places in the U.S. —
If you hike the 3/4 mile up the Gaylor Lakes trail in Yosemite National Park, your reward is an incredible view of middle Gaylor Lake.

Earth Day: Wild places in the U.S. —
Naturalist Beth Pratt always hopes to see the pika (in the same family as the rabbit) on her annual spring hike of Gaylor Lakes trail in Yosemite.

Earth Day: Wild places in the U.S. —
For a day in Yellowstone National Park, the Mount Washburn hike gives you the best bang for your wildlife, wildflower and scenery "buck."

Earth Day: Wild places in the U.S. —
Bighorn sheep give birth to their lambs in May and June, and hikers on the Mount Washburn trail in Yellowstone can sometimes spot lambs along the way.

Earth Day: Wild places in the U.S. —
The Great Smoky Mountains are known as the salamander capital of the world, home to 30 species.

Earth Day: Wild places in the U.S. —
The views in Great Smoky Mountains National Park, located in North Carolina and Tennessee, are spectacular.

Earth Day: Wild places in the U.S. —
Hiking the Lands End Coastal Trail, about 15 minutes from downtown San Francisco, you'll have incredible views -- and you might spot bottlenose dolphins and their calves.

Earth Day: Wild places in the U.S. —
For wildlife, more than 200 species of resident and migratory birds have been sighted at Lands End, where a lovely trail will take you to Sutro Bath.

Earth Day: Wild places in the U.S. —
The late CBS news travel correspondent Charles Kuralt called the Beartooth Highway, which runs through Montana and Wyoming, the "most beautiful road in America."

Earth Day: Wild places in the U.S. —
Drive the 67-mile Beartooth Highway to see the beautiful scenery, but don't forget to get out of the car to find many magnificent views a short walk from the road.

Earth Day: Wild places in the U.S. —
Head to Kearney, Nebraska, to see the great Sandhill Crane migration. About 500,000 of these spectacular birds make a spring pit stop here before heading north.

Earth Day: Wild places in the U.S. —
The sandhill crane spring migration, shown here in Nebraska, runs from February to April.

Earth Day: Wild places in the U.S. —
Beth Pratt explored nature as a child in Cape Cod National Seashore in Massachusetts. The Great Island Trail in Wellfleet is shown here.

Earth Day: Wild places in the U.S. —
Enjoy the Province Lands dunes in Provincetown, part of Cape Cod National Seashore.



