Do black holes lead to somewhere in the universe like in science fiction books?

Question: Do black holes lead to somewhere in the universe like in science fiction books?
- Keywords:
  black hole,
  universe
Asked by Blue Parrotlet to Peter on 14 Nov 2016. This question was also asked by 258pnug25.
- Peter Boorman answered on 14 Nov 2016:
  
  It’s very difficult to say for now, since black holes are completely dark to us. This is because not even light can escape them to reach our eyes! For this reason, I can’t say what would happen if something goes into a black hole, since no-one has ever observed this.
  
  Peter

Question: Do black holes lead to somewhere in the universe like in science fiction books?