Most valuable virtual object

According to Official Guinness Records,

The greatest amount paid for a virtual property is $6 million (£3,860,000), by SEE Digital Studios, AB (USA) for Planet Calypso, a virtual planet within the online game Entropia Universe (MindArk, 2003) on 20 December 2010.

For a complete list of 2010 records, please visit 2010 Guinness Records in United States.

Other United States records that might interest you:

• Worst road losing streak, NFL team
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• Youngest female to enter the UK Top 40 singles chart
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