hello dear, have visited Orphanage home before?
The residential institution devoted to the care of orphans.No, I have never been in one.
can you tell me more about  residential institution?
Residential institution are places where children whose  parents are deceased or otherwise unable or unwilling to take care of them.
who takes care of the children?
They end up becoming ward of the state, and orphanages are one way of providing for their care, housing and education.
that means Government do take care of them
Well, the USA government pays for regular citizens to take care of the, those are call foster homes.
US government is the best
 Most orphanages have been closed in Europe and North America because of the foster homes.