200 years on the Erie Canal
21:14
How The Erie Canal Transformed America - IT'S HISTORY
8:25
A trip down the mighty Mississippi
3:29:21
Magnificent Three: Cities that Shaped History
6:39
Building the Transcontinental Railroad
16:37
Extended interview: New York Times reporter Carl Hulse
29:02
Erie Canal: America's Empire Builder
6:22
Andrew Johnson: The impeached president
19:25