|Inhabitants||Almost Every Character|
- Main article: Jefferson County Middle School
- Main article: Lard World
Paper Recycling Plant
- Appearances: "Rooting for the Enemy", "Worked Day", "Missing Milo" (pictured), "Milo Murphy's Halloween Scream-a-Torium!" (Appears in flashback(s))
Water Treatment Plant
- Appearances: "Worked Day"
- Appearances: "Going the Extra Milo"
Coyote Woods is a forest donated by actor Peter Coyote as a wolf preserve.
- Appearances: "The Little Engine That Couldn't"
Fire Engine Museum
The fire engine museum is located near the natural history museum.
Natural History Museum
- Appearances: "It's About Time!" (Phineas and Ferb), "The Undergrounders", "The Little Engine That Couldn't", "The Island of Lost Dakotas"
Milo's class took a field trip here in "The Undergrounders".