Fitness Changes Travel Menu

Tubing through a cave in Belize, kayaking in the bay off Progresso, Mexico; snorkeling, scuba diving and biking-- these are all offerings of seven-day Carnival cruise out of Galveston, and they are offerings, according to this piece in the New York Times, that would not have been on the menu a few years ago. The reason they're here now, says one travel company honcho, is fitness: Today's travelers have the endurance for adventure, and they want to put that endurance to good use. The real gold here is the Times'  multimedia slide show, with an audio track by freelancer Christopher Solomon that is as informative as his text. Read and see more.