Lava Land

This is the location of Mars' father, the fire god. Mars, Mysti, Gretchen, and others travel here first. Then, all listed teenagers and Apple, Thunder, and the cows team up and defeat him.

Mars was coming to apoligize to his father after their fight. Mars had been angry because Mars' father had destroyed a small village of peaceful cars, humans, and their pets. He had done it because he was mad Thunder was there and he was mad.