 The "Cave of the Winds" which features so prominently in the films  climax does not actually exist. The real Cave suffered a partial  collapse in the 1920s and was demolished totally in 1955. In the  film however, Ethan Barnes foundation is footing the bill for a  massive restoration of the Cave and a number of characters meet  there for the climactic showdown. The cave used for the film was a  practical location called The Lockport Caves (located about 40 miles  from Niagara Falls), and the filmmakers added their own water  effects both on