I'm a seasoned world traveler, having visited 60+ countries over the past 20 years. My wife and I are both retired, and travel both domestically and internationally each year. I just returned from a 2 1/2 week trip to India with Overseas Adventure Travel (OAT), which I have used 5 times. Most of our trips, however, are individual, self-planned journeys. We are taking the summer off to do some house remodeling, but will be back on the road in September with a three week trip to Copenhagen, Stockholm and Oslo, using the train (which we have done frequently). I am very interested in architectur... full info