Nik seeks to break the world record for the highest bicycle ride on a wire at Atlantis Paradise Island.
Nik and his team engineer a motorcycle to spin 360 degrees around a wire with Nik aboard and his wife on a trapeze underneath.
Nik battles harsh wind in Atlantic City as he attempts to perform the Wheel of Death over the rooftop of the 28-storey Tropicana Hotel.
Nik travels to Puerto Rico to re-create the wire walk where his great-grandfather Karl fell to his death.
Nik Wallenda attempts to descend down a zipline into a shallow pool while on fire, and walks atop a moving Ferris wheel in Santa Cruz.
In Branson, Missouri, Nik wants to perform on a trapeze underneath a helicopter 250 feet high, attempting to hang by only his teeth.