Um, yes you can put heroes into Goshen....
Goshen (P)
Type: Fortress • Brigade: None • Ability: None • Class: None • Special Ability: Protect contents from all effects. If your Genesis or Exodus Hero has toughness */0 or less, you may place it here instead of discarding it. • Play As: Protect contents from harm or effect. Place or return Heroes during your Preparation Phase. If your Genesis Hero or Exodus Hero has toughness */0 or less, you may place it here instead of discarding it. Goshen may hold any number of Heroes of up to three brigades. • Identifiers: Play to territory. • Verse: Exodus 9:26 • Availability: Promotional cards (2008 Local Tournament)
Unless you mean after your turn is over...