For those Insiders tiring of the attractions (and costs) of Western Europe's great cities - the likes of Rome, London, Paris, Barcelona and Amsterdam - a trip to Munich and Bavaria might be an option worth considering.
Historically, it is one of Germany's major cities - though until the mid-19th century it was the seat of the Wittelsbach dynasty in the kingdom of Bavaria. Even today, many Bavarians would like to build a wall between their "state" and the rest of Germany; some would even prefer to be considered a part of northern Italy! Unlike others parts of Germany, particularly those in the north and east, which were hotbeds of religious and political change, Munich was, and remains to this day, traditional, conservative and strongly Catholic.
Many now remember Munich for two things only; those early bier keller meetings that led to the foundation of the NationalSocialismus (Nazi) party in the 1920s; and the Air Disaster that took the heart out of a famous English soccer team.
The city does not attenpt to deny or conceal its political heritage; the reverse in fact. The Platz de Opfer des Nationalsocialismus is a memorial to all those who suffered under the Nazi Party. Some of the HQ's buildings of that Party have also been preserved.
Today, it is a prosperous economic centre, the home of one of the world's leading car manufacturers (BMW); one of the more modern international airports; for the sports lovers, the home of Bayern Munich, traditionally Germany's strongest football team; three excellent art galleries (the Alte, Neue and Moderne Pinakotheks); a wonderful park (the Englische Garten); two of Europe better symphony orchestras; and of course the annual bierfest every September.
And, if you bore of the city, then use it is a stepping-off point for a series of one-day rail trips; Augsburg, Nuremburg, Salzburg, Berchtesgaden - and, if you are emotionally tough enough, Dachau - are each within easy reach.
The only downside for me is the southern German cuisine which, I confess, never to have quite mastered!
Marriott Intl has a presence, as you'd expect. I believe that the Marriott itself was only the second opened by the company in Europe. To be honest, it is not my favourite - partly because the building itself is not the most attractive, partly because it is some way from the city centre, and partly because it does not offer those institutions that Rewards elite members tend to value above all - an Executive Lounge and free breakfasts at the week-end. There is, however a CY in the centre; and, to this, soon will be added a second CY and a Residence Inn.
Try the city in April/May or late-September and October.
Good luck and enjoy
Although it has been ages (about 15 years) since I have been to Germany, I would echo Arkwright's and Jerry's comments about Bavaria. I have to admit my favorite city in Bavaria is actually Nuremberg, but that's the medievalist in me. If you head north (not nearly as much fun), go east to the coast of the former east Germany. Much has probably changed since I was there, but Stralsund and Ingel Rügen were two of my favorite places in Germany when I had a fellowship in Wolfenbüttel. They are endlessly beautiful and great if you like biking.
This is a fabulous trip and the Courtyard is OUTSTANDING! I stayed there last October. Was there the last week of October, and there were no crowds and weather was good. One warning though, many of the tours end that week, so I would recommend a little bit earlier. The staff at the Courtyard was SO helpful and nice. I had been the for work earlier in the year, but this time pleasure. They helped book tours and get train tickets. I can't say enough nice things about the staff there. Location was very good...centrally located and easy to walk to bus/train. At first we were a little concerned because the neighborhood didn't look that good, but staying on the main streets was absolutely fine. Don't overlook the castle tours south of Munich.