If you want to go for a week, there are very few rings you can complete. So for out and back we did a few with our young sons. Down the Oxfordshire Canal is a cruise (as it is a contour canal). Dinosaurs and Dodo in the Natural History Museum when you get there.
If you want a ring – Severn and up Tardebigge and a trip to Cadbury’s World and an afternoon at the Black Country Museum – not an easy week though!
For canal history, pick something with a BIG piece of engineering like the Anderton Boat lift as a hilight. IF you like heights Llangollen canal is good but will get busy.
We hired a dayboat yesterday for a cruise along the River Wey. You could try that first if you really fancy a trip.
And with this comment TiRed has just come out as a canal geek 😉