Giant Bodies of Water in North America that Used To Exist
9:28
Countries that used to exist in North America
43:36
How Geologists Discovered and Mapped a Great Seaway
9:26
How did Lewis & Clark know where to go?
10:31
How North America Almost Separated Into Two Pieces
8:47
Why was this Sea in North America on Old Maps?
13:50
The Unbelievable Story of Earth’s Most Epic Flood
17:00
How An Ancient Ocean Shaped US History
18:34