Vietnam’s Son Doong cave, the largest in the world, could hold a 40-story skyscraper inside. The pristine ecosystem has its own river and jungle. Despite its size, Son Doong wasn’t discovered until 1991. It was lost again for nearly two decades and was fully explored for the first time in 2009. (Photo by Jason Speth/HuffPost)

An endangered desert bighorn lamb leaps in play at a park where bighorns are tempted to leave the safety of their native habitat to eat grass and drink water in the summertime on August 9, 2023 near Indio, California. (Photo by David McNew/Getty Images)

Kendall Jenner wearing a bikini and spraying water out of a hose on a photoshoot in Miami on February 5, 2020. (Photo by Splash News and Pictures)

In this image released on September 22, American actress and singer Vanessa Hudgens attends Rihanna's Savage X Fenty Show Vol. 3 presented by Amazon Prime Video at The Westin Bonaventure Hotel & Suites in Los Angeles, California; and broadcast on September 24, 2021. (Photo by Emma McIntyre/Getty Images for Rihanna's Savage X Fenty Show Vol. 3 Presented by Amazon Prime Video)

American singer Miley Cyrus, left, and American singer-songwriter Billie Eilish attend the Gucci “Love Parade” fashion show Tuesday, November 2, 2021, in Los Angeles. (Photo by Jordan Strauss/Invision/AP Photo)

Demi Sims her older sisters Chloe and Frankie, cast members of the British television series “The Only Way Is Essex” during filming in Marbella, resort area on southern Spain’s Costa del Sol on September 17, 2019. (Photo by Beretta/Sims/Rex Features/Shutterstock)

Victoria's secret model Joy Corrigan leaves little to the imagination as she leaves REVOLVE Social Club in West Hollywood for a pre Coachella party on April 12, 2022. (Photo by FILMDIGITALS/The Mega Agency)

Danish model Helena Christensen looked stunning as she posed in lacy, black negligee in garden of her New York home on December 2, 2022. (Photo by Coco De Mer)