The Brent Spence Bridge (the span on the far right) is one of 1,863 highway bridges determined to be functionally obsolete by the Ohio Department of Transportation. Tana Weingartner/WVXU hide caption

Jeans hang on a clothesline next to a burned down trailer home in Bastrop, Texas. A wildfire raging for nearly two weeks has blackened 50 square miles and destroyed more than 1,500 homes. Erich Schlegel /AFP/Getty Images hide caption

NASA's Kepler mission has discovered a planet that circles two stars instead of one. The planet, shown as the black dot in this artist's illustration, is similar to Saturn, though it is more dense and travels in a 229-day circular orbit around its two stars. R. Hurt/NASA/JPL-Caltech hide caption

Matt Stone (left) and Trey Parker at the after party for the opening night of The Book of Mormon on Broadway in March. Jim Spellman/WireImage hide caption

Chillicothe, Ohio as viewed from the historic Mountain House area. Don O'Brien/via Flickr hide caption

Egyptian soldiers guard the badly damaged entrance of the Israeli Embassy in Cairo on Sunday. Protesters stormed the embassy, contributing to the worst diplomatic crisis between the two countries since they signed a peace treaty in 1979. Nasser Nasser/AP hide caption

A large earth-mover carries PCB-contaminated soil from the Hudson River in New York to a burial pit at Waste Control Specialists near Andrews, Texas, in October 2009. Betsy Blaney/AP hide caption