We finally 'came in/within sight of' the mountains. [=we finally came to a place where we could see the mountains]
I've seen what he looks like when he gets out of bed in the morning, and believe me, it's 'not a pretty sight'.
She left her purse out 'in plain sight'. = Her purse was 'in plain sight of' anyone passing by.
(..) He's left you Bag End. AIong with all his possessions. The ring is yours now. -Put it somewhere out of sight. -Where are you going? -There are some things that I must see to. -What things? -Questions. Questions that need answering. -You've only just arrived. I don't understand. Neither do I. (..)2001 The Lord of the Rings: The Fellowship of the Ring