Come Upstairs was created on 1980-06-16.
The Room Upstairs was created on 1987-01-31.
Jay's Upstairs was created in 1984.
The Dancer Upstairs was created in 1995.
Push Upstairs was created in 1999.
The Woman Upstairs was created in 1921.
You can say either, depending on what you mean. Usually you are asking someone to perform a sequence of actions: first, to come upstairs, and second, to see something. The way to say this is "Come upstairs and see it." But if you are saying that the purpose of coming upstairs is in order to see something, in response perhaps to the question "Why should I come upstairs?" or "Where can I see it?" then "Come upstairs to see it" is correct.
Falling Upstairs was created in 2006-06.
Beethoven Lives Upstairs was created in 1992.
Upstairs at Eric's was created on 1982-08-23.
Something Upstairs was created on 1988-09-01.
Upstairs Downtown was created on 1994-11-22.
Faucet needs repaired.