While questions persist about Bitcoin (here's our helpful explanation), a recent and sudden surge in the virtual currency's popularity boosted the exchange rate per individual unit from $32 to over $92. This raised the collective worth of the eleven million Bitcoins in circulation to a cool billion.
Restore the Gulf of Mexico. Price Tag: $1 Billion Minimum
As part of its legally mandated reparations in the wake of 2010's devastating Deepwater Horizon oil spill, BP made an initial payment of one billion dollars to the Gulf Coast states to finance coastal restoration efforts. However, even the ten-figure donation was merely a drop in the bucket; three years after the spill, the National Wildlife Federation warns the cleanup is far from over.
The Hannah Montana Franchise. Price Tag: $1 Billion
Power up the time machine: In 2008, you could have bought Miley Cyrus. The wildly popular Hannah Montana franchise, including its TV series, concert tour, 3D movie, and merchandise, raked in an estimated one billion dollars for the then 15-year-old starlet.
It's only the world's most expensive home: Antilia, in Mumbai, India, is a 27-story,
570-feet tall mansion built by one of the world's richest men and rumored to require 600 staffers to maintain it. The building is nearly a neighborhood unto itself, with a ballroom, temple, health
center, movie theater, terraced gardens, and multiple car lots and
Real Madrid's planned billion-dollar luxury resort will be built on an artificial island in the United Arab Emirates. Along with opulent accommodations, a yacht club, and an amusement park, other attractions for the club's devoted fans will include a team museum and a 10,000-seat stadium
on the sea.