River Ridge is the city that Babylon Gardens is located near. Not much is known about River Ridge, other than that it has a Zoo and a Mall. It's name was first revealed in A Holiday at the Zoo.

Dimension Prime Babylon Gardens | Good Ol' Dogs Club | River Ridge | Three-Squares Mall | River Ridge Zoo | Reuben's Farm | Australia
Celestial Heaven | Chambers of Spirit | Heaven's Court | Spirit Realms
Other Gallifrax Dimension