Get the most bang for your buck at niagara falls state park with this wallet friendly discovery pass for five must see attractions in niagara usa set voyage on the world famous maid of the mist into horseshoe falls feel the spray from cave of the winds watch a film on the falls at niagara adventure theater climb a rock wall at the niagara gorge discovery center and check out the niagara aquarium a highlight for families ride a vintage trolley as many times as you like throughout the day