Duration
60 minutes
Series Info
Season 2 Episode 6 of 8
Quick Summary
A strange cave that freezes in summer and melts in winter
About This Program
A strange cave freezes in summer and melts in winter, and a huge sand dune swallows a small child in an instant. Rob and Stefan explore these mysteries
Secrets Underground broadcasts on Discovery History at 9:00pm, Monday, 5 January 2026. (Subtitles, repeat)
Channel Numbers:
Sky HD784Sky174Virgin181
Production Details
Runtime60 mins
