otkopati

1. to dig up; to unearth; to excavate
   Arheolozi su otkopali ostatke rimske vile. — Archaeologists unearthed the remains of a Roman villa.
   Spasioci su otkopali dvoje ljudi iz ruševina. — Rescuers dug two people out of the rubble.
2. colloq. (of information, finds) to dig up; to unearth
   Novinari su otkopali nove podatke o aferi. — Journalists dug up new information about the affair.
   Gde si otkopao ovu staru fotografiju? — Where did you dig up this old photo?

The imperfective partner is otkopavati.