Answer:
Travel a mile and I will change, travel a million and I will end as I started. What am I?
I am made by nature soft as silk; A puffy cloud white as milk; Snow tops this tropical crop; The dirtiest part of a mop.
Cold head and feet; round as a ball; always turning around myself.
As a state in America I am round on both sides and high in the middle.
There was a green house. Inside the green house there was a white house. Inside the white house there was a red house. Inside the red house there were lots of babies. What is it?
A little house full of meat, no door to go in and eat.