Episode dated 23 May 2016
- Episode aired May 23, 2016
- 31m
In an entertaining change of pace, watch a countdown of 10 geological wonders that are hard to classify, from number 10-the White Cliffs of Dover-to number 1-a geological mystery in Death Va... Read allIn an entertaining change of pace, watch a countdown of 10 geological wonders that are hard to classify, from number 10-the White Cliffs of Dover-to number 1-a geological mystery in Death Valley that would seem like a hoax if it weren't true.In an entertaining change of pace, watch a countdown of 10 geological wonders that are hard to classify, from number 10-the White Cliffs of Dover-to number 1-a geological mystery in Death Valley that would seem like a hoax if it weren't true.