Alva Review-Courier -

CARTHAGE, Mo. (AP) — Pauletta Keller has taken some trips recently —"a whole bunch of them," she said.

But for her, they now exist largely in photographs and in prompts offered by her son and travel companion, Kevin Keller. That's not to say the 88-year-old doesn't enjoy the in-the-moment pleasures of discovering a new city or landscape, but the memories fade fast.

Ever since Kevin moved back to the Carthage area in 2013 to help with the full-time care of his mother, he has made it his mission to take the elderly woman on the trip of a lifetime. In those first few years, he wanted to keep his...