This 1935 Map of Africa Explains So Much
26:20
Finding the Source of the Nile River
32:53
The Problem With the USA's Borders
24:33
What's inside this crater in Madagascar?
36:18
The Plan to Build an Island Using Only Electricity
21:16
An Exploration of Exomoons
42:56
Earth's Lost Islands
23:20
Finding Africa's Lost River Valley
24:30