Crater Lake National Park is certainly not for onlookers alone: this is a park full of hands-on, outdoor adventure.
Here's our selection for the most exciting and unusual national park activities on land and sea and even deep underground, including sandboarding, spelunking and more.
While there's nothing scary about Petrified Forest National Park, there is certainly something mysterious and wondrous.
Part national park, part tropical oasis and part geological masterpiece: any way you look at it, Hawaii Volcanoes National Park is a literal hotbed of activity.
Let Travel Channel be your guide as you discover the statues, monuments and memorials that make up Washington D.C.'s iconic national parks.
Find inner peace on these National Park trails.
Grand Teton National Park seems to represent the original American Dream; it is a model of our nation's natural wonder and a symbol of the pioneers' exploration of the West.
Visitors to Shenandoah National Park will see for themselves why John Denver crooned so passionately about the winding country roads of the Blue Ridge Mountains.
TravelChannel.com takes you on a tour of national parks, historic sites and beaches in Massachusetts.
Save money by skipping entry fees on these incredible parks.
Towering trees and peaks in the evergreen state.
Embrace nature, and sleep under the stars in one of the country's great national park campgrounds.
Travel Channel counts down the Top 10 Wonders of the West.
These haunting national park tales will make you think twice when the woods go bump in the night.
Check out these incredible park-packed travel routes from coast to coast.
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