Deep in the ancient city of Teotihuacan stand giant stone pyramids that once rose like mountains built by human hands, long before modern cities existed. The biggest, the Pyramid of the Sun, was so huge that people believed it might have been a doorway where gods or even mysterious creatures once touched the earth. Walking along the Avenue of the Dead toward the Pyramid of the Moon feels like stepping into a legend—where history, myth, and a little bit of monster-sized imagination all mix togeth