Azure Window, Gozo, Malta New York's Brooklyn Bridge and China's Lupo Bridge areamazing feats of engineering, but many of the world's most awe-inspiring bridges were crafted by Mother Nature herself. Natural bridges and arches areformed by the natural, selective removal of rock, caused by processes of erosion, according to the Natural Arch and Bridge Society. Some of the stunning bridges and arches on this list were formed by the corrosive action of flowing rivers or ocean waves. Some were formed...

It might be the world’s most sophisticated food fight. From March 2-4 during the northern Italian town of Ivrea’s Annual Carnival, the small medieval burg’s 25,000 or so residents form battalions, don ornate uniforms and engage in fierce street combat to the beat of kettle drums. But the combatants are wielding a decidedly strange weapon of choice: millions of fresh oranges. (MORE: When Life Gives You Lemons, Make THIS) According to The New York Times, like many carnival traditions, the...

Hot air balloons carrying tourists rise above the pagodas at dawn in Myanmar's northern ancient town of Bagan on Feb. 26, 2012. (STR/AFP/Getty Images) For years, Myanmar was an island unto itself. Though the Asian country of 60 million is bordered by multiple countries, for years it practiced a policy of isolationism. Little was known of what happened inside the country's borders aside from the ethnic violence that became deadly enough to make international headlines. But after a democratic election...