Unit 1
Unit 2
- Following the Lewis and Clark Expedition
- Who Was the First in Flight?
- Theodor Seuss Geisel
- The Struggle for Equality
Unit 3
- Reefs of the Florida Keys
- Hawaii: Ancient Spirit, Modern Debate
- Venice: Art of a Sinking City
- Antarctica Sheds Ice
Unit 4
- The Declaration of Independence Hits the Road
- A Look Back at a Landmark Decision
- Celebrating the Right to Vote