It's not in the Arctic, he hid it in caves in Mexico.
And he hid the entrance with a great big pumpkin.
Actually, they are the Crystal Caves in Mexico.
http://www.crystalinks.com/mexicocrystals.html
Quite fascinating.
If it walks like socialist, quacks like socialist, smells like a socialist, .... it's a socialist. Hope, and change we can believe in.