Which sentence best corrects the misplaced modifier?

From the back porch, I watched the heron out on the pond of the house where my sister lives.


Out on the pond, I watched the heron from the back porch of the house where my sister lives.

Where my sister lives, I watched from the back porch of the house the heron out on the pond.

I watched from the back porch of the house where my sister lives the heron out on the pond.

I watched the heron out on the pond from the back porch of the house where my sister lives.