What are .pn domains?

.pn are country-code domains owned by Pitcairn Islands.

Where can I get more information about .pn domains?

Official registrar:http://www.government.pn/PnRegistry/PnRegistry.htm

ICAAN wiki article: .pn

Wikipedia article: .pn

Are there any famous .pn domain hacks?

Where can I register .pn domains?