Gift for "new" European traveler

My mother's (age:74) birthday is coming up. She and my dad are frequent travelers in the US, but they have never taken a trip which would require them "flying over the ocean" as my mom has a fear of it.

Anywhere, one of their couple friends convinced my parents to take a Viking River cruise in Europe this coming fall. My mother is mostly terrified of the flight and "something new" and has a fear that everything will go wrong in everyday possible. I mean she is less excited and more terrified. (I keep telling her she's gonna love it & that Viking is a good company.)

What kind of birthday gift could I get her for her Viking cruise/trip? She's a "new European traveler, but not a new traveler.