Think our national parks are only good for hiking and scenic drives? Think again, says our national parks columnist.

More than 300 million visitors explored America’s national parks last year ... This photo captures an amazing view of Marble Canyon at dawn on the Navajo Nation Reservation in Grand Canyon ...

From Alaska’s wild Arctic to California’s secret islands, uncover 5 lesser-known national parks that outshine even the big names.

With popular national parks still searching for the answers to congestion, train travel is a practical solution—and a unique ...

America’s national parks are more than just hiking trails — they’re home to some of the most stunning landmarks on Earth.

Is it safe to drink treated water from rivers in Yellowstone National Park? Well, that depends on whether there are any ...