# The 25,000-Year-Old Pyramid Hidden in Plain Sight

An episode of [Arthur's Sleepy History](https://invisiblenetwork.ai/podcast/6811069241), 25 Sep 2026, 3 h 45 min.

Audio: https://anchor.fm/s/117174784/podcast/play/126132961/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2026-8-22%2F432427088-44100-2-a4429f47529a4.m4a

🙏 Support us and try Premium FREE for 7 days 👉 https://arthurssleepyhistory.supercast.com Get the complete sleepy history catalog, every new story seven days early, and completely ad-free listening. What if the oldest constructed structure on Earth isn't in Egypt or Turkey — but on a volcanic hillside in West Java, buried under twenty thousand years of soil? Settle in, get comfortable, and drift off while we explore one of the ancient world's strangest mysteries.

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