High-profile events like bridge collapses or road sinkholes (like this one in Maryland in 2010) could make you think America's roads are crumbling. That's not quite true. Logan Mock-Bunting/Getty Images hide caption

itoggle caption Logan Mock-Bunting/Getty Images

Brazil spent billions renovating and building World Cup stadiums. Almost a year after the tournament ended, the nation is still trying to figure out what to do with them. The Mane Garrincha Stadium in Brasilia, Brazil (shown here in April 2014), was the most expensive of the stadiums — at a cost of $550 million — and is now being used as a bus parking lot. Eraldo Peres/AP hide caption

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Chinese President Xi Jinping, center, and Asian leaders approved an agreement on the Asian Infrastructure Investment Bank in Beijing in Oct., 2014. European countries are beginning to sign up too. Takaki Yajima/AP hide caption

itoggle caption Takaki Yajima/AP

Surveyors work below the Interstate 495 bridge over the Christina River near Wilmington, Del., on Tuesday. The bridge was closed at the beginning of the week after officials discovered that eight support columns were tilting. Patrick Semansky/AP hide caption

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Divers found a 2-inch-wide crack at the bottom of the fourth spillway pier from the left in this photo of the Wanapum Dam. Grant County Public Utility District hide caption

itoggle caption Grant County Public Utility District

Saudi women get into a taxi outside a shopping mall in Riyadh in 2012. Plans for a subway system in the Saudi capital are likely to provide the biggest benefits to women and the poor. Fayez Nureldine/AFP/Getty Images hide caption

itoggle caption Fayez Nureldine/AFP/Getty Images

An analyst works at a federal cybersecurity center in Idaho in 2011. Experts say Internet-connected infrastructure is a possible target of cyberwarfare. Mark J. Terrill/AP hide caption

itoggle caption Mark J. Terrill/AP