NPR is spending time with folks who do odd or unusual summer jobs. Ann-Elise Henzl observed one in southern Wisconsin, requiring perfect timing.
She visited Lake Geneva, the body of water that gives the resort town its name. Historic mansions dot the lake's 20 miles of shoreline.
Tourists crowd onto sightseeing cruises to gaze at the summer homes, and on one ride each day, they can also watch the Lake Geneva mail jumpers in action, as they deliver mail by boat. The job is trickier than it may sound.