The Nike Swoosh
In June 1971 Carolyn Davidson met Phil Knight one of her accounting teachers. She than began working on a logo for his company then known as Blue Ribbon Sports. She designed what is now known as the Nike swoosh and sold it to the company for a measly $35 dollars. Nike today generates over 16 billion dollars in revenue.

Alaska
On March 30, 1867 the United States government purchased Alaska from the Russians 2 cents an acre for a grand total of 7.2 million dollars. The 656,424 square miles of land has the highest yielding oil field in the United States, and is rich in coal as well.

Mona Lisa
The Mona Lisa painted by Leonardo da Vinci was bought by King Francis I for 4,000 ecus which today in US dollars would be worth around $100,000. Today the estimated value of the painting is around $670,000,000 dollars.
