Revealing mistake: In the scene where Allan Quatermain is waiting for Skinner in the snow and the white tiger shows up, when the camera shows a close-up of Allan, there is snow inside his goggles on his head. If it is snowing hard and the snow inside his goggles isn't adding up, it should have been melting or been melted. But it doesn't change at all, which proves it to be fake snow. How did it get in there anyway? (01:17:15)
Revealing mistake: Just before the Britannia Club blows up, Sanderson Reed steps through the poisoned guy's wrist.
Revealing mistake: When the Nautilus' hull is breached by the explosives Gray has set, water rushes in with great force. The crewmen who get hit by the water do not get swept off their feet - as they should have - but instead keep on running. (01:07:10)