That's Paul Christie doing the 'voice overs'.
No, the narrator of Gold Rush Alaska on Discovery Channel is Paul Christie, not Joe Mantegna.
Both California and Alaska had gold rushes.
Miners.
Gold Rush Alaska - 2010 Gold Rush Aftershow Special 2-10 was released on: USA: 30 December 2011
He played a tramp, who traveled to Alaska to take part in the Gold Rush.
Gold Rush Alaska - 2010 On the Gold 2-8 was released on: USA: 16 December 2011
The Alaskan Gold Rush.
Bubblegum
yes
yes
Gold Rush Alaska - 2010 The Jungle was released on: USA: 17 August 2012
The discovery of Gold and the Gold Rush.