From the Federal perspective (the National Register of Historic Places is part of the National Park Service), a property owner can do whatever they want with their property as long as there are no Federal monies attached to the property.
I think you probably mean the metaphor of piercing eyes, it means someone who has a really intense look in their eyes. Sometimes it could be that the colour of their eyes is quite different, like a really icy blue colour. piercing eyes are eyes that can see straight through a person. SUPP is right.
bird's eye view meaning, bird's eye view definition | English Cobuild dictionary. bird's eye view. ( bird's eye views plural ) You say that you have a bird's eye viewof a place when you are looking down at it from a great height, so that you can see a long way but everything looks very small. 1 n-count A bird is a creature with feathers and wings. Female birds lay eggs. Most birds can fly.