When completed, the Crazy Horse mountain carving will be 641 feet long by 563 feet high. Matthew Staver /Landov hide caption

itoggle caption Matthew Staver /Landov

Peace Pilgrim near Topeka, Kan., in the late 1970s. She had walked 25,000 miles by 1964, and continued for almost two more decades. She carried only a pen, a comb, a toothbrush and a map. James B. Burton/Courtesy of Friends Of Peace Pilgrim hide caption

itoggle caption James B. Burton/Courtesy of Friends Of Peace Pilgrim

Waves crash over the Kulluk oil rig, which washed aground on Sitkalidak Island, Alaska. Officials say aircraft have not spotted any signs of a fuel leak from the rig, which reportedly does not contain crude oil. PA3 Jon Klingenberg/Coast Guard hide caption

itoggle caption PA3 Jon Klingenberg/Coast Guard

Some of The Salt's most popular posts of 2012 included coffee, pink slime and Downton Abbey. Daniel Acker/Landov; Carnival Film & Television Limited 2011/Masterpiece; Adam Cole/NPR; Robyn Mackenzie/iStockphoto.com; Lass/Getty Images hide caption

itoggle caption Daniel Acker/Landov; Carnival Film & Television Limited 2011/Masterpiece; Adam Cole/NPR; Robyn Mackenzie/iStockphoto.com; Lass/Getty Images

President Barack Obama and Vice President Joe Biden make a statement regarding the passage of the fiscal cliff bill in the Brady Press Briefing Room at the White House late Tuesday evening. Charles Dharapak/AP hide caption

itoggle caption Charles Dharapak/AP

Chad Griffin, president of the Human Rights Campaign, based in Washington, D.C. Dave Anderson/Oxford American magazine hide caption

itoggle caption Dave Anderson/Oxford American magazine

Rhode Island's minimum wage will increase from $7.40 to $7.75. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Solar panels come off the line at SunPower's solar manufacturing plant near San Jose, Calif. Lauren Sommer for NPR hide caption

itoggle caption Lauren Sommer for NPR