not included in the usual city tours...
i.e. a special handicraft workshop, a roof top of a modern building which is normally not accessible to the public, etc.
a restaurant/bar/snack apart from the standard tourist walking paths, a special galery, etc.
Check this awesome free audiotour: Bratislava City Tour
http://izi.travel/browse/4e2db2be-1351-40f4-9796-d8dff1619f20?lang=en about 3 years ago