High in the Rocky Mountains, spring-fed streams and ponds have vanished, leaving patches of cracked mud in what were once spongy meadows.

Joe Jonas and Ellie Goulding were also among celebrities who made appearances at Wimbledon.

A lot of those paths have since become beloved hiking trails, so there’s a good chance that even the simplest of your local hikes will have you walking the same routes soldiers took on their way to ...