Podcast:The Atlas Obscura Podcast Published On: Thu Jul 31 2025 Description: We follow a long set of wooden stairs deep underground to a sea cave with a mysterious and colorful past, and take in a spectacular, hidden view of the Pacific Ocean in La Jolla. Learn more about The Cave Store: https://www.cavestore.com/All this week, the Atlas Obscura Podcast is hitting the sand, and taking a tour of the world’s most unusual beaches. Plus: Pre-order your copy of our new book, The Atlas Obscura Explorer’s Guide to Inventing the World, today! Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.