You can win $10 million if you make and fly an aircraft that can safely carry 3 passengers and goes 100 Km up to space by January 1st, 2005:
The ANSARI X PRIZE will award $10 million to the first private organization to build and fly a ship that can carry three passengers 100 km (62 miles) into space, return safely to Earth and repeat the launch with the same ship within two weeks. Both flights must be completed by January 1st, 2005. The competition has been endorsed by leading space and aviation organizations around the world and includes the vision to jump-start the commercialization of space travel and industry the same way that Orteig Prize opened today's commercial airways.
And it is worth to mention that the main sponsers, Ansari family, are originally Iranian.