Bronson Caves

This guide to Bronson Caves in Los Angeles traces how a dynamited quarry tunnel, blasted by the Union Rock Company starting in 1903 to pave a growing Hollywood's streets, ended up as one of film history's hardest-working sets. It follows the mining operation's rise and abandonment in the nineteen twenties, and how the leftover gap in the hillside was pressed into service long before a famous television Batmobile ever drove out of it. Walk the short passage yourself and you'll see daylight from the far opening in just a few steps.