San Francisco is 49 square miles, but contains more than 1,000 miles of sewer mains, running under every block. Take a trip with Bay Curious reporter Carly Severn into the depths of the city, and discover an otherworldly cave that has reached legendary status with some urban explorers. This story first aired in 2019.Additional Reading: Exploring San Francisco's Hidden Tunnels (YouTube) Tunnels Under San Francisco? Inside the Dark, Dangerous World of the Sewers Read the transcript for this episode Sign up for our newsletter Enter our Sierra Nevada Brewing Company monthly trivia contest Your support makes KQED podcasts possible. You can show your love by going to https://kqed.org/donate/podcastsThis story was reported by Carly Severn. The episode was also made by Olivia Allen-Price, Katrina Schwartz, Tamuna Chkareuli, Jessica Placzek and Rob Speight. Additional support from Cesar Saldana, Jen Chien, Katie Sprenger, Maha Sanad, Jasmine Garnett, Carly Severn, Joshua Ling, Holly Kernan and the whole KQED family.

Reporter Carly Severn gives Olivia Allen-Price a behind-the-scenes look at what it took to get under the streets of San Francisco for her 2019 story. If you value the work Bay Curious does, we’re asking for your financial support. Give at donate.kqed.org/podcasts.

Nate Puckett lives, works and raises his kids on Alameda. In fact, he rarely leaves it. So he was surprised to learn that Alameda hasn't always been an island. We dig into a history with so many twists and turns it's make your head spin.Additional Reading: Alameda -- The Island That Almost Wasn't Why Is Part of Alameda Island in San Francisco? Bay Curious at Green Apple Books Event Sign up for our newsletter Enter our Sierra Nevada Brewing Company monthly trivia contest Your support makes KQED podcasts possible. You can show your love by going to https://kqed.org/donate/podcastsThis story was reported by Pauline Bartolone. Bay Curious is made by Olivia Allen-Price, Katrina Schwartz, Christopher Beale and Katherine Monahan. Additional support from Cesar Saldana, Jen Chien, Katie Sprenger, Maha Sanad, Jasmine Garnett, Carly Severn, Joshua Ling, Holly Kernan and the whole KQED family.

Listener Allison Pennell recently saw a museum booklet featuring archival photos of Black residents watching the fire that consumed the city after the 1906. It got her wondering how this specific community fared after the quake, especially given the entrenched racism of the time.Additional Reading: Stunning Archival Photos Of the 1906 Earthquake And Fire tanea lunsford lynx's We Were Here project Entire set of Afro-American Oral Histories, Pre-WWII Sign up for our newsletter Enter our Sierra Nevada Brewing Company monthly trivia contest Your support makes KQED podcasts possible. You can show your love by going to https://kqed.org/donate/podcastsThis story was reported by Katrina Schwartz. Bay Curious is made by Olivia Allen-Price, Katrina Schwartz, Christopher Beale, Brendan Willard and Katherine Monahan. Additional support from Cesar Saldana, Jen Chien, Katie Sprenger, Maha Sanad, Jasmine Garnett, Carly Severn, Joshua Ling, Holly Kernan and the whole KQED family.

Depending on whom you ask, eucalyptus trees are either an icon in California or a fire-prone scourge. In today's episode, reporter Daniel Potter takes us on a journey through how this non-native tree came to the state. We'll learn why it was planted in such large numbers in the first place. Then we explore why some Eucalyptus groves have become a concerning wildfire threat.Additional Reading: Eucalyptus: How California's Most Hated Tree Took Root Read the transcript for this episode Sign up for our newsletter Enter our Sierra Nevada Brewing Company monthly trivia contest Your support makes KQED podcasts possible. You can show your love by going to https://kqed.org/donate/podcastsThis story was reported by Daniel Potter. Bay Curious is made by Olivia Allen-Price, Katrina Schwartz and Christopher Beale. Additional support from Cesar Saldana, Jen Chien, Katie Sprenger, Maha Sanad, Jasmine Garnett, Carly Severn, Joshua Ling, Holly Kernan and the whole KQED family.

Bay Curious listener Lorraine Page likes to comb the Pescadero beaches for treasures in her spare time. She used to find abalone shells often, but says in the last ten years she hasn't seen any. She wants to know: what happened to all the abalone?Additional Reading: Climate Change-Induced Heatwaves Are Decimating California's Kelp and Abalone Bay Curious Podcast Garage Event April 11 Read the transcript for this episode Sign up for our newsletter Enter our Sierra Nevada Brewing Company monthly trivia contest Your support makes KQED podcasts possible. You can show your love by going to https://kqed.org/donate/podcastsThis story was reported by Dana Cronin. Bay Curious is made by Olivia Allen-Price, Katrina Schwartz, Christopher Beale and Brendan Willard. Additional support from Cesar Saldana, Jen Chien, Katie Sprenger, Maha Sanad, Jasmine Garnett, Carly Severn, Joshua Ling, Holly Kernan and the whole KQED family.

Bay Curious listener Jules Winters has great memories of riding the school bus as a kid in suburban Philadelphia. When she moved to the Bay Area, she immediately noticed there weren't as many of those big yellow buses taking kids to school. She wants to know why.Additional Reading: Why Doesn't California Have More School Buses? How the San Francisco School Lottery Works, And How It Doesn't Sign up for our newsletter Enter our Sierra Nevada Brewing Company monthly trivia contest Your support makes KQED podcasts possible. You can show your love by going to https://kqed.org/donate/podcastsThis story was reported by Katrina Schwartz. Bay Curious is made by Olivia Allen-Price, Katrina Schwartz, and Christopher Beale. Additional support from Erika Kelly, Dan Brekke, Cesar Saldana, Jen Chien, Katie Sprenger, Maha Sanad, Jasmine Garnett, Carly Severn, Joshua Ling, Holly Kernan and the whole KQED family.

Love it or hate, drag is a hot topic of conversation now. And you really can’t understand how we got to this point nationally without heading to San Francisco. Today we’re taking a crash course through decades of drag herstory to better understand it’s larger impact on San Francisco, and the country.Additional Reading: How SF's Drag Queens Shaped the City (and the World) Show your love by donating!  Sign up for our newsletter Enter our Sierra Nevada Brewing Company monthly trivia contest Your support makes KQED podcasts possible. This story was reported by Christopher Beale. Bay Curious is made by Olivia Allen-Price, Katrina Schwartz and Christopher Beale. Additional support from Cesar Saldana, Jen Chien, Katie Sprenger, Maha Sanad, Jasmine Garnett, Carly Severn, Joshua Ling, Holly Kernan and the whole KQED family.

On Interstate 280, just south of the Sand Hill Road exit, near Stanford, there is this overpass that crosses over a long, skinny building. Bay Curious listener Eric Nelson has wondered what that building is for years. Turns out, scientists are unraveling the mysteries of the universe inside SLAC. We take you on a tour.Additional Reading: Unraveling the Mysteries of the Universe Inside SLAC Sign up for our newsletter Enter our Sierra Nevada Brewing Company monthly trivia contest Your support makes KQED podcasts possible. You can show your love by going to https://kqed.org/donate/podcastsThis story was reported by Rachael Myrow. Bay Curious is made by Olivia Allen-Price, Katrina Schwartz, Christopher Beale and Brendan Willard. Additional support from Cesar Saldana, Jen Chien, Katie Sprenger, Maha Sanad, Jasmine Garnett, Carly Severn, Joshua Ling, Holly Kernan and the whole KQED family.

Ever wonder why it can be so hard to fix your own appliances, laptops and other gadgets? Well, you're not alone. And there's a reason why so many things head to the landfill these days, rather than getting fixed. Bay Area "Fix It" advocates are taking matters into their own hands, while they wait for state laws to catch up.Additional Reading: Bay Area's 'Fix It' Culture Thrives Amid State's Forthcoming Right to Repair Law March 14 Sustainable Fashion Event: Mend, Fix, Style Sign up for our newsletter Enter our Sierra Nevada Brewing Company monthly trivia contest Your support makes KQED podcasts possible. You can show your love by going to https://kqed.org/donate/podcastsThis story was reported by Azul Dahlstrom-Eckman. Bay Curious is made by Olivia Allen-Price, Katrina Schwartz, Christopher Beale and Brendan Willard. Additional support from Cesar Saldana, Jen Chien, Katie Sprenger, Maha Sanad, Jasmine Garnett, Carly Severn, Joshua Ling, Holly Kernan and the whole KQED family.