Hi, we are driving from Zeebrugge to Salzburg in October via Bavaria/Black Forest. Can anybody advise our "must-see" items and any hotel recommendations (3 star) would be gratefully received. thanks
1

richiavo
How long are you intending to take the direct route will only take you 9-10 hours, are you stopping over for one/two/three nights.
2

arizona
And what are your interests = YOUR must-sees???
Zeebrugge: http://www.seafront.be/UK/index.asp
Lissewege: picturesque village
Ter Doest Abbey: spend the night, before/after visiting ...
Brugge
.....
but there's so much.
Tell what you like, how much time you've got to spend ...will give the better answers.
Have a good trip.
Pro tip