Lifestyle Travel Watch Will Smith Climb Inside a Volcano and More in Thrilling Trailer for'Welcome to Earth' Will Smith joins National Geographic to explore hidden gems around the globe in the new adventure series coming to Disney+ in December By Vanessa Etienne Vanessa Etienne Twitter Vanessa Etienne is an Emerging Content Writer-Reporter for PEOPLE. People Editorial Guidelines Published on September 27, 2021 02:08 PM Share Tweet Pin Email Will Smith is taking on the globe in a once in a lifetime adventure. On Monday, Disney+ released the trailer for Welcome to Earth. The original series by National Geographic will follow the 53-year-old actor as he starts a journey to visit hidden gems around the world. "I've got a confession to make. I've never climbed a mountain. Never swum in a lake. I was in a cave once," Smith said in the clip. "I'm beginning to think I might be missing something." He continued, "We think we know our planet but there's still a secret world to be discovered. If you go to the right place, with the right guide, you just might find a portal into it." Will Smith Reveals the Title and Cover of His Upcoming Memoir: 'My First Book Ever!' National Geographic for Disney+/Kyle Christy Smith will have thrilling experiences with elite explorers, visiting places from volcanoes and deserts to the depths of the ocean and having plenty of "bucket list moments" along the way. He will be joined by marine biologist and National Geographic Explorer Diva Amon, polar expeditionist Dwayne Fields, engineer and National Geographic Explorer Albert Lin, National Geographic Photographer Cristina Mittermeier, and mountaineer Erik Weihenmayer. The six-part series, streaming in December, is produced by Academy Award-nominated filmmaker Darren Aronofsky, Protozoa Pictures, Jane Root's Nutopia and Westbrook Studios. Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories. Smith shared the news of the project on social media, telling his followers that the series was years in the making. "When @natgeo calls you with a crazy idea, you JUST SAY YES!! Been working on this one for a few years…," he wrote. Welcome to Earth premieres this December on Disney+.