15 Photos That Show How Summer Vacation in the U.S. Has Changed

Sometimes, all you needed for a fun time was a tarp, soap, and a hose — voila! A makeshift slip-and-slide.

Never mind that sticks, rocks, and anything else on the ground could rip the tarp and cut up your arms and legs. That was part of the fun. And it didn’t matter if there was nothing to stop your momentum – sliding into your friends and knocking them over was the whole point.