When I say "unusual", I don't mean your run of the mill civil war commemorative chess sets - these are very original ideas for one of the worlds oldest games...
A chess set in which the pieces are real working keys
The famous three dimensional chess board from Star Trek
An inverted gazebo chess set
One of the worlds largest chess boards
One of the worlds smallest chess boards
I don't even know how to describe this one
The chess set from Blade Runner
4-way chess
A unique, minimalist chess set
Three dimensional chess of a different typw
Ice chess
3-way chess board