I had never really thought much about Panama City beyond its canal, but my wife, Rose, and I ended up making plans to join a Friendship Force (Atlanta, GA; 404/522-9490) group from Olympia, Washington, for four days there in April ’11 before the group went on for a week’s home hosting in Santiago, Chile, and then Alajuela, Costa Rica.

Travel arrangements for the 15 of us, including a four-night hotel stay (with breakfasts), airport transfers and a half-day tour of the...

I just read the readers’ letters in the article “How Much to Tip Airport Wheelchair Attendants” (Aug. ’11, pg. 40). During our travels, my wife does much the same as those travelers, though the amount she tips is about $5.

However, when we were in the Frankfurt airport about a year ago, the electric-cart driver told us that if he or his colleagues were to accept a tip, they would be fired.

JAMES C. WAMBOLD State College, PA

A feature article in the May ’11 issue made mention of Kulusuk, Greenland. I spent nine days there in August ’09 as the village celebrated the 100th anniversary of its founding. I had visited the village first in September ’08, when I took the three-day extension that Vantage Deluxe World Travel offered in conjunction with a wonderful tour of Iceland.

Kulusuk is not an easy place to reach. There are two flights per day, but they are totally dependent on weather....