If there were any mysterious and unknown cities in that area, one of us would have run across it before this.

Tom himself led the group through the tunnel and pointed out the wonders of the mysterious city.

It follows four separate characters as they discover and explore a mysterious city accessed only at night.

This makes the city mysterious, and rather more exotic than most European capitals.

And as before, I carried no ball of string to help me find my way back through the mysterious city to my home.

Perhaps they were concerned only with the warding of that mysterious primal city from human intrusion.

There are deserted, mysterious cities scattered about in desert spots of the world.

"You will be only the fifth or sixth European who has ever set eyes on that mysterious city."

Though her thoughts returned to that mysterious city now, it was without her former appetite.

Here was the great, mysterious city which was still a magnet for her.