High wire artist Karl Wallenda tightrope walking across Fulton

Tightrope-walking Wallendas have rich history, not without tragedy

AP Photographer Charlie Kelly: 'Thoughtful, persistent enterprise.' — AP Photos

Nik Wallenda - Wikipedia

Nik Wallenda finishes high-wire act that killed great-grandfather

The adrenaline junkie grandad who walked across London on a gigantic tightrope just 2 years before he tragically fell to his death - MyLondon

Karl Wallenda crossed Rubber Bowl on high wire in 1973

Carla Wallenda, Surefooted Mainstay of a High-Wire Act, Dies at 85 - The New York Times