The holder of half a dozen world records will walk across the Grand Canyon on a steel cable with nothing but the Little Colorado River 1,500 feet below on June 23. With no tethers or safety nets, the walk will be the highest tightrope attempt ever for the 34-year-old, at a height taller than the Empire State Building. Last year, Wallenda, a seventh-generation member of the “Flying Wallendas” family of acrobats, became the only person to walk a wire over the brink of Niagara Falls. Photo: Nik Wallenda walks across a tightrope 200 feet above U.S. 41 on January 29, 2013 in Sarasota, Florida. (Photo by Tim Boyles)

A person looks out at Midtown Manhattan in the haze from the Top of the Rock NYC Observation Deck at Rockefeller Center on June 7, 2023. Smoke from Canada’s wildfires has engulfed the Northeast and Mid-Atlantic regions of the US, raising concerns over the harms of persistent poor air quality. (Photo by Timothy A. Clary/AFP Photo)

Rihanna and Drake perform at the BRIT Awards at the O2 arena in London, Britain, February 24, 2016. (Photo by Stefan Wermuth/Reuters)

A Filipino devotee is carried by police officers outside the Quiapo church after she fainted during the Black Nazarene feast day in Manila, Philippines, January 9, 2020. (Photo by Willy Kurniawan/Reuters)

Heidi Klum and daughter Leni set pulses racing in red lingerie. The pair star in a new campaign for Italian underwear and accessory firm, Intimissimi. German supermodel Heidi, 49, and Leni, 18, her daughter with Flavio Briatore, previously starred in a campaign for the brand. They pose here in red ahead of Christmas on November 22, 2022. (Photo by Intimissimi/The Mega Agency)

Spanish model Lorena Duran attends the 2025 Sports Illustrated Swimsuit Launch Party at Hard Rock Hotel New York on May 15, 2025 in New York City. (Photo by TheStewartofNY/Getty Images)

Members of an American landing party assist troops whose landing craft was sunk by enemy fire off Omaha beach, near Colleville sur Mer, France, June 6, 1944. REUTERS/Weintraub/US National Archives

Ethnic Miao men wearing traditional masks smear dust on a woman's face to wish her good luck during local celebration event for Lunar New Year in Liuzhou, Guangxi Zhuang Autonomous Region, China, February 16, 2016. (Photo by Reuters/Stringer)