Two-month-old Sumatran tiger cubs play at their enclosure in Prague Zoo. (Petr Josek/Reuters) Click image to zoom.
A body surfer rides a high wave at the Wedge in Newport Beach, California. Waves measuring up to 20 feet pounded the beach as a winter storm off the coasts of Australia and New Zealand brought unusally high surf to Southern California beaches. (Kevork Djansezian/Getty Images) Click image to zoom.
A crowd of Chinese tourists run away as a tidal bore breaks through the dam by the Qiangtang River in Haining, east China’s Zhejiang province on August 31, 2011. Visitors gather to experience the Qianjiang Tidal Bore from early morning, an annual tradition for the residents living nearby. (STR/AFP/Getty Images) Click image to zoom.
Fans at DC Comics Midnight Madness Event Celebrating the release of New No. 1 issue of “Justice League” at Mid Town Comics on August 30, 2011 in New York City. (Michael Loccisano / Getty Images)
A boy looks at a flying model in the shape of an UFO, made by local farmer Shu Mansheng in front of his house in Dashu village on the outskirts of Wuhan, capital of central China’s Hubei province August 30, 2011. (REUTERS/Jason Lee) Click image to zoom.
One of two people rescued from a sailboat, right, uses a line to make his way onto the beach on Willoughby Spit in Norfolk after they were rescued from the boat that foundered in the waters of the Chesapeake Bay. A rescuer, left, waits for the second person to exit the boat. (Bill Tiernan/TheVirginian-Pilot) Click photo to zoom.
Although the Tybee Island Ocean Rescue lifeguards closed the water to swimmers on Tybee Island, Ga., because of high waves and hazardous rip currents from the outer bands of Hurricane Irene, surfers, kayakers and paddle boarders still sought the thrill of high winds and choppy waves. (Stephen Morton/Associated Press) Click image to zoom.
Cory Ritz braces himself as a wave bursts onto a pier at the Boynton Beach inlet from Hurricane Irene. (Joe Raedle/Getty Images) Click image to zoom.
Hurricane Irene (top center) churns over the Bahamas in this MODIS satellite image. Irene, now a Category 3 storm with winds of 120 miles per hour, is projected to possibly clip the Outer Banks region of North Carolina before moving up the eastern seaboard of the U.S. (NASA via Getty Images)
The National Oceanic and Atmospheric Administration (NOAA) released this photo, taken in 2002 about one mile deep near a huge underwater volcano near Monterey Bay, which shows this strange marine animal, thought to be a new species that has yet to be described or named. It is a type of mollusk, called ‘nudibranch’, that sheds its shell early in life. Scientists think there are millions of species, like this one, that have yet to be named or even discovered. (NOAA)