The power of Nature easily surpasses any man-made structure. It may have taken years, but Mother Nature has reclaimed these ...

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.

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 ...