I Wonder ...

What was it like to be the first one to look through a telescope?

Is anyone looking back?

How did they figure out the circumference of our planet the Earth?

When and how did they figure out that those fuzzy blobs they saw through the eyepiece were actually galaxies outside our own?

Why did the builders of Stonehenge build it?

How did the Mayans determine the length of a year with such accuracy without even a modest calculator?

At left, Teotihuacan in Mexico features the Pyramid of the Sun and the Pyramid of the Moon along with  600 smaller pyramids.