I drove through Baden Baden on my way to Slovenia from the UK, a few years ago. My advice, if you do try going there, is to plan your route very carefully, as I couldn't get out couldn't get out of Baden Baden!
I vowed never again to go anywhere near either of the towns.
Life's too short.

Sam

"Lasciate ogne speranza, voi ch'intrate" - 'Abandon all hope, ye who enter'.
Dante (Durante degli) Alighieri, "La Divina Commedia", "Inferno", c 1308-1321