Hidden City Lies Deep Beneath Antarctica (Season 18) | Ancient Aliens | The UnXplained Zone
3 months ago
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[{"text":"During an Arctic expedition, naval officer Richard Burn makes a very unusual discovery, in this clip from Season 18, \"Secrets of\u00a0..."}]
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{"title":"Hidden City Lies Deep Beneath Antarctica (Season 18) | Ancient Aliens | The UnXplained Zone by The UnXplained Zone 29,870 views 3 months ago 5 minutes, 26 seconds","duration":"5 minutes, 26 seconds"}