Answer: windmills

AnswerCrossword Clue
WINDMILLSQuixote's targets
WINDMILLSMake Hayley short of breath?
WINDMILLSDon Quixote's "giants."
WINDMILLSDutch sights.
WINDMILLSPower houses?
windmillsA similar structure used to generate electricity or draw water
windmillsA pinwheel
windmillsA propeller, esp. one used formerly on an autogiro
windmillsWINDMILL, to rotate from the force of air
windmillsA building with sails or vanes that turn in the wind and generate power to grind grain into flour