Tourists are seen in front of the "Gran Jaguar" Mayan temple at the Tikal archaeological site in Guatemala, where ceremonies will be held to celebrate the end of the Mayan cycle known as Baktun 13 and the start of the new Maya Era on December 21. Johan Ordonez/AFP/Getty Images hide caption

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A sign on an RV announces the end of the world, outside Harold Camping's ministry in Oakland, Calif., Monday, May 23, 2011. Ahead of that day, many of Camping's followers had quit their jobs or donated money to pay for more than 5,000 billboards and 20 RVs plastered with the Judgment Day message.

Marcio Jose Sanchez/AP hide caption

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New York City, May 13: Some believers expressed their views on the streets of Manhattan. Spencer Platt/Getty Images hide caption

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