[Vanders9]

Sure you can see (most) any museum piece on the internet - but how would you know they were there in the first place? You go to an art gallery to see something, and something else catches your eye, something that you would, in normal circumstance, never come into contact with.

You might as well say you need never visit anywhere ever again because you can see it all on TV.

[1010RD]

but how would you know they were there in the first place?

Internet search. Museums are dying and but for government subsidy would have been dead long ago. Most things in them are unknown to the hoi polloi.