Haijulikani Wadi

Haijulikani wadi is a gorge in Africa,it means "uncharted gorge".

Story Ignatius took Phineas,Ferb,and their parents and friends there,he said:"In order you get there, you would need a highly unconventional vehicle."So after they came back,kids built a highly unconventional vehicle to cross it.

  "Where's Perry?"