The Titlis Cliff Walk in the Swiss Alps took five months to build and is thought to be Europe's highest suspension bridge, at a stomach-turning 9,800ft (3,000m) above sea level.
BEVERLY HILLS, CA - FEBRUARY 15: Actor Mel Gibson attends the 59th Annual ACE Eddie Awards at the Beverly Hilton Hotel on February 15, 2009 in Beverly Hills, California (Photo by Frederick M. Brown/Getty Images)
The tempestuous stellar nursery called the Carina Nebula, located 7,500 light-years away from Earth in the southern constellation Carina. (Photo by Reuters/NASA)