After gliding through the treetops on a cable at a park in the Adirondacks, Holly Swanson wondered if she could replicate the fun in her parents' backyard. Turns out it was easy, she said. After a ...

Whoever first thought of stringing a line between two trees, hitching up a harness and gliding from point A to point B was apparently a genius. From Hawaii to New York, you'll find popular zip-line ...