After visiting all 63 national parks in the US, my favorites include Yosemite and Grand Teton. I think one of the worst parks is Gateway Arch.

Great Smoky Mountains National Park might be crowded, but that’s only because it’s wonderful. Here’s why—and a guide to ...

What makes for a great urban park? Today's video explores that questions, then scans the continent of North America, looking for the very best. Our journey will include some obvious stops -- New ...