Answer:
I am cracked by Indiana Jones. What am I?
What is the heart of many risks, has a heart, but is not a living being?
What relies on columns but isn't a house, and asks for help but can't speak itself?
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
I'm not really more than holes tied to more holes. I'm strong as good steel, though not as stiff as a pole.
People take me on walks and I run and have fun. What am I?