accessibility

Did you check out the accessible Europe link on the Graffiti Board? It might help. I expect that you will face challenges.

Where there is a will there is a way! I was on a bus tour a few years ago and we had a travel partner in a wheel chair. She did just fine. The driver was always quick to get her chair out from under the bus and get her comfortable. An electric wheelchair may be a different story. Do you have a helpful person going with you?

I don't know much about cruise lines, but if you should ever visit a modern city like Berlin, you shouldn't have a problem getting around. Berlin is on the up and is re building and putting up new buildings all over the place. This means more ramps and many buildings there has lifts.
The capitol of Germany the Reichstags building has a glass dome that is so much fun to climb and see a great view. There are ramps around the dome, and it's not all that steep. I should think with an electric wheel chair you can easily get up the dome.
So that is my suggestion on a destination in Europe. You would love Berlin!! But I guess Berlin would be a part of a bus tour, and like the poster said above, bus tours can be very good for you!
Whatever you decide, have a wonderful trip!!!

I've only travelled to Greece and France but would say that these places are NOT easily accessible. Paris especially is bad, with steps for the Metro, buses, etc. Maybe if you ride around on a bus all day, it would work; but if you want to get out and really see things, probably not. Holly

A good Travel Agent/Consultant will have accurate up-to-date info on accesssable travel. They can help you plan your trip so there should be few surprises while abroad.
Good for you for not letting anything stop you!