Lake Tahoe skier Hazel Birnbaum has traveled the globe on the freeskiing circuit for most of a decade, but this winter she decided to officially retire from the sport. What does that look like for a 33-year-old? Learn more about your ad choices. Visit megaphone.fm/adchoices

Pete Whittaker stops by to talk about his unique approach to rock climbing, why he loves suffering and his new book, Crack Climbing, out in January. Learn more about your ad choices. Visit megaphone.fm/adchoices

White Wolf would be Northern California's first private ski area -- like a gated community for skiing in Lake Tahoe. Owner Troy Caldwell sits down to run through how the whole thing would work and how his project represents the future of skiing in Lake Tahoe. Learn more about your ad choices. Visit megaphone.fm/adchoices

San Francisco surfer Grant Washburn comes on to talk surfing culture in the city. We cover the uncertainty around the future of the famous Mavericks surfing contest, the closing of SF's 50-year-old surfing shop Wise, and the emergence of the City Surf Project. Learn more about your ad choices. Visit megaphone.fm/adchoices

BASE jumper Daniel Ristow is on a mission to pioneer legal BASE jumping spots in California's Sierra Nevada mountains. (Click here for our feature story on his mission.) We discuss the state's secretive BASE community, Daniel's first jump and much more. Learn more about your ad choices. Visit megaphone.fm/adchoices

Adventure photographer Corey Rich stopped by to talk about shooting rock climbers on El Capitan, South Lake Tahoe's exciting future, and his new book, "Stories Behind the Images." Learn more about your ad choices. Visit megaphone.fm/adchoices

Randall Reeves has been at sea for 12 months and counting and is days away from completing a solo circumnavigation of Antarctica and the Americas. He traveled the Northwest Passage, the fierce Southern Ocean and contended with gales and icebergs. We talk challenges of the trip and Randall’s next challenge of reintegrating into society. Learn more about your ad choices. Visit megaphone.fm/adchoices

Ocean swimmer Ben Lecomte recently swam from Hawaii to San Francisco, making sure to pass through the Great Pacific Garbage Patch. What he found is pretty depressing: plastic trash everywhere. We talk about what he saw, what he learned, and how he psyched himself up each morning to hop back into an ocean of trash. Learn more about your ad choices. Visit megaphone.fm/adchoices

Economist Jason Scorse runs the Center for the Blue Economy, a think tank dedicated to finding a healthy, sustainable equilibrium between society and the ocean. We cover the outlook for living on the coast, commercial fishing and other fun, thorny subjects. Learn more about your ad choices. Visit megaphone.fm/adchoices

As the first person to ski off the highest peaks on all 7 continents, Kit DesLauriers has explored some of Earth's wildest places. We talk about finding freedom in the mountains, exploration in the 21st century, and her efforts to preserve a wildlife refuge in Alaska. Learn more about your ad choices. Visit megaphone.fm/adchoices