The <a href="https://en.wikipedia.org/wiki/Sky_Whirl" class="extiw" title="en:Sky Whirl">Sky Whirl</a> triple <a href="https://en.wikipedia.org/wiki/Ferris_wheel" class="extiw" title="en:Ferris wheel">Ferris wheel</a> in <a href="https://en.wikipedia.org/wiki/Gurnee,_Illinois" class="extiw" title="w:Gurnee, Illinois">Gurnee, Illinois</a>, in 1976
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