Why hadn't he told me so that I could have taken him to the crystal cave?

"Do you want to go into the crystal cave again?"

I must go into the crystal cave of Africa now.

He believed that more of the picture lay in a return to the crystal cave.

And so rarely get to see a glacier move, or a cave of crystals?

They'd never find me; I could go in the crystal cave.

He had experienced the same flow of force in the crystal cave, but this was far stronger.

The crystal cave, water world, and fire world are out.

It was a crystal cave and it too went north.

It was found and opened about the same time as Crystal Cave.