The Archie Gang are in Indiana to join the Underground Railroad. There they meet Harriet Tubman who teaches them how to be apart of the abolition movement. Then they go into Kentucky to help free slaves.
In the year 1841 in New Bedford, Massachusetts the ancestors of the Archie gang are talked into going to sea to find adventure and fortune on a whaling vessel by Herman Melville.
The Archie gang is in Alabama helping agriculture scientist George Washington Carver to improve the quality of lives of poor farmers by growing other crops such as peanuts and sweet potatoes.
It's 1878 in New Jersey where the ancestors of the Archie gang is going meet Thomas Edison. He was known as the "Wizard of Menlo Park". He earned this nickname after establishing his research laboratory in Menlo Park.