Ancient Structures: Secrets Revealed

8:00 PM to 9:00 PM

Wednesday 24 June

Volcanic Origins

Season 1 Episode 4

How volcanic rock was used to build huge structures, including a fortress in Sri Lanka, an intricate Hindu temple, and mysterious stone heads on a remote island in the Pacific

Ancient Structures: Secrets Revealed airs on National Geographic Channel HD at 8:00 PM, Wednesday 24 June. (Subtitles, audio description, new.)

Learn more about Ancient Structures: Secrets Revealed and other education/science/factual topics on our factual page

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Education ➝ Science ➝ Factual Topics

Archaeology