Hike near Leona Heights in Oakland, and you might come across vibrant graffiti art painted on the concrete remnants of an old conveyor tram that transported rock down the hill. This week on the show, reporter Katherine Monahan reveals the history of this place, and talks to artists who have transformed it into an art gallery hidden in the woods. Additional Reading: Read the transcript for this episode Web story: Hidden in the Oakland Hills Is An Outdoor Gallery of Murals 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/podcasts This story was reported by Katherine Monahan. Bay Curious is made by Olivia Allen-Price, Katrina Schwartz, and Christopher Beale. Additional support from Alex Gonzalez, Dan Brekke, Cesar Saldana, Jen Chien, Katie Sprenger, Maha Sanad, Jasmine Garnett, Carly Severn, Joshua Ling, Holly Kernan and the whole KQED family.