Iconic photos tucked away in mountain mine

Iron Mountain, an old limestone mine-turned-high-security facility in Pennsylvania, is the unlikely spot where you'll find 150 years of American history packed away in filing cabinets. Millions of photographs, negatives, and even glass plates from 19th Century cameras, are stored in the facility 220 feet underground -- a trove of times gone by. They're the property of Corbis, a company owned by Bill Gates.

Keep clicking to see some of the original images kept there, such as this one of John F. Kennedy and Jacqueline Bouvier. The couple is seen on June 27, 1953, in Hyannis Port, Mass., sitting together in the sunshine at Kennedy's family home a few months before their wedding.

Iconic photo trove locked away in old Pa. mine
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An Italian woman and her children arrive at Ellis Island, New York, in 1905.

Iconic photo trove locked away in old Pa. mine
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President Richard Nixon salutes the crowds with a victorious gesture as he passes through Savannah, Ga., on Oct. 8, 1970. He and Mrs. Nixon were on their way to dedicate an oceanographic center.

Iconic photo trove locked away in old Pa. mine
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Heavyweight champion Muhammad Ali stands over Sonny Liston and taunts him to get up during their title fight on May 25, 1965. Ali knocked Liston out in one minute in the first round during their bout at the Central Maine Youth Center in Lewiston, Maine.

Iconic photo trove locked away in old Pa. mine
Corbis Images

Pele, of Brazil's Santos soccer team, dribbles the ball down the field of the Coliseum, as Guadalajara, Mexico defensive player Gustavo Pena tries to block him. A crowd of 16,000 was on hand at this game on June 3, 1973. Santos won, 2-1.

Iconic photo trove locked away in old Pa. mine
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Elizabeth Eckford ignores the hostile screams and stares of fellow students on her first day of school on Sept. 6, 1957, in Little Rock, Ark. She was one of the nine African American students whose integration into Little Rock's Central High School was ordered by a federal court following legal action by the NAACP.

Iconic photo trove locked away in old Pa. mine
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Jan. 27, 1961: Jan Murray (L) sits alongside Rat Pack members Dean Martin, Sammy Davis Jr., and Frank Sinatra as the group unwinds backstage at Carnegie Hall after entertaining at a benefit performance in honor of Dr. Martin Luther King Jr.

Iconic photo trove locked away in old Pa. mine
Corbis Images

Here's Harold (Stubby) Kruger, who was a member of the Olympic swimming team in 1924, doing some comic diving stunts at the Olympic Pool in Long Beach, N.Y.

Iconic photo trove locked away in old Pa. mine
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April 8, 1936: Three photographers in the Roosevelt press corps aim their cameras in Coral Gables, Fla., while awaiting FDR's return from a fishing holiday. From left to right: Johnny Thompson, George Skadding and Joe Jamieson.

Iconic photo trove locked away in old Pa. mine
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Jesse Owens is seen on Oct. 19, 1937.

Iconic photo trove locked away in old Pa. mine
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Mary Rae Bingham kisses her boyfriend, Gordon Kiester, in the sunshine from a window at Michigan Central Station in Detroit in December 1944. Kiester was about to return to his duties as a sailor after a Christmas holiday break.

Iconic photo trove locked away in old Pa. mine
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American aviator Amelia Earhart (1898-1937), smiling as she stands near her plane sometime in the 1930s.

Iconic photo trove locked away in old Pa. mine
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"The careless typist," a photograph taken in 1901.

Iconic photo trove locked away in old Pa. mine
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George W. Northrup, from Minnesota, posing with the tools of a gold miner, even down to the bag of gold. This is a daguerrotype photo from 1860.

Iconic photo trove locked away in old Pa. mine
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Flappers at a soda fountain drinking milkshakes on Feb. 10, 1926.

Iconic photo trove locked away in old Pa. mine
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Football coach Vince Lombardi (1913-1970) in an undated photograph.

Iconic photo trove locked away in old Pa. mine
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After Dr. Martin Luther King, Jr. is freed from prison under a $2,000 appeal bond, he is greeted by his wife, Coretta, and children, Marty and Yoki, at the airport in Chamblee, Ga., on Oct. 27, 1960.

Iconic photo trove locked away in old Pa. mine
Corbis Images

The original caption of this photo featuring President Franklin D. Roosevelt reads, "'Cut Yourself a piece of cake," and that's just what FDR did.' Then governor of New York, he was shown as he cut the cake at the celebration of his 50th birthday, Jan. 30, in Statesburg High School in Statesburg, N.Y. The photo shows, left to right, front row - Mrs. Franklin D. Roosevelt, Gov. Roosevelt and Mrs. Sara Delano Roosevelt, the governor's mother. Standing: Mrs. Frances Branigan and Lewis Filkins, Secretary and President, respectively, of the Roosevelt Home Club of Hyde Park.

Iconic photo trove locked away in old Pa. mine
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This photo shows, from left to right: Henry, the Butler, Mrs. Ulysses S. Grant, General Grant, Miss Nellie Grant, Ferdinand, Jesse R. Grant, U.S. Grant, Jr. -- known as "Buck" Grant, and the boy behind Buck Grant is Willie Coles, a friend of the president's son, Jesse, in the 1870s at Long Branch Cottage at Governor's Island, N.Y. The photo was taken by G.W. Pack, of Pack Studios in New York City.

Iconic photo trove locked away in old Pa. mine
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Singer Lena Horn is shown arriving at Grand Central Terminal in New York City on June 22, 1948.

Iconic photo trove locked away in old Pa. mine
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Charlie Chaplin surveys the movie set from behind the cameras, some time between 1916 and 1931.

Iconic photo trove locked away in old Pa. mine
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President Abraham Lincoln with Gen. George B. McClellan at his headquarters at Antietam, Va., on Oct. 3, 1862. From left: Gen. George W. Morell, Col. Alexander S. Webb, Gen. McClellan, Scout Adams, Dr. Jonathan Letterman, unidentified officer, President Lincoln, Col. Henry Hunt, Gen. Fitz, John Porter and an unidentified officer.

Iconic photo trove locked away in old Pa. mine
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Academy Award winner Sydney Poitier and Leslie Uggams in a photo from 1965.

Iconic photo trove locked away in old Pa. mine
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Baseball great Babe Ruth, of the New York Yankees, preparing to bat at the opening game at the Polo Grounds, New York, on April 22, 1920.

Iconic photo trove locked away in old Pa. mine
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Teammates Steve Myhra (left) and Carl Tasoff (right) carry Baltimore quarterback Johnny Unitas into the dressing room after the Colts defeated the Giants, 31-16, in the championship game on Dec. 12, 1959.

Iconic photo trove locked away in old Pa. mine
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John F. Kennedy standing with his brother, Robert Kennedy, in Hyannis Port, Mass.

Iconic photo trove locked away in old Pa. mine
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Audrey Hepburn hugging her Yorkshire terrier, "Famous." Hepburn was calling her actor husband, Mel Ferrer, who was in California. When this photo was taken, Hepburn was in Manhattan filming "Breakfast at Tiffany's."

Iconic photo trove locked away in old Pa. mine
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Lucille Ball is embraced by "I Love Lucy" co-star Vivian Vance.

Iconic photo trove locked away in old Pa. mine
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The airship Hindenburg explodes into a huge ball of fire as it comes in for a landing at Lakehurst, N.J., on May 6, 1937. Miraculously, many of the passengers and crew aboard managed to escape unharmed.

Iconic photo trove locked away in old Pa. mine
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Sporting a colorful western tie, President Dwight D. Eisenhower is pictured as he arrived at his summer executive office at Lowry Air Force Base in Colorado.

Iconic photo trove locked away in old Pa. mine
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Peggy Fleming, of the Broadmoor Skating Club of Colorado Springs, performs in the Senior Ladies Free Skating competition during the National Figure Skating Championships in Philadelphia in this undated photo.

Iconic photo trove locked away in old Pa. mine
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Marlon Brando playfully attacks Academy Awards host Bob Hope at the 27th Annual Academy Awards show in 1955. Brando won the Oscar for Best Actor of 1954 for his performance in "On the Waterfront."

Iconic photo trove locked away in old Pa. mine
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The Reagan family around the Christmas tree in 1970 in Sacramento, Calif.

Iconic photo trove locked away in old Pa. mine
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Leaping off her feet, Mary Lou Retton celebrates her gold medal after scoring a 10 on the vault in women's gymnastics at the 1984 Olympics in Los Angeles on Aug. 3, 1984.

Iconic photo trove locked away in old Pa. mine
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Ginger Rogers plays Penelope "Penny" Carroll and Fred Astaire plays John "Lucky" Garnett in the musical number "Pick Yourself Up" in the 1936 film "Swing Time."

Iconic photo trove locked away in old Pa. mine
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Singer Paul Robeson signing autographs in Paris following a screening of the film "Show Boat" in undated photo.

Iconic photo trove locked away in old Pa. mine
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Bruce Lee in "Enter the Dragon" in 1973.

Iconic photo trove locked away in old Pa. mine
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The original caption on this photo reads as follows: "George Bush Jr. has a 'leg up' on his father, President George Bush, as the President attempts to stretch prior to jogging at Fort McNair. The younger Bush, part owner of the Texas Rangers baseball team, was clowning for photographers."

Iconic photo trove locked away in old Pa. mine
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Orville Wright flies a glider over Kill Devil Hills on Bodie Island, N.C., in undated photo.

Iconic photo trove locked away in old Pa. mine
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Construction workers eat their lunches atop a steel beam 800 feet above ground, at the building site of the RCA Building in Rockefeller Center, September 29, 1932.

Iconic photo trove locked away in old Pa. mine
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Albert Einstein in a row boat (undated).

Iconic photo trove locked away in old Pa. mine
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Tom Ewell and Marilyn Monroe during filming of the movie "The Seven Year Itch."

Iconic photo trove locked away in old Pa. mine
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Albert Einstein sticks out his tongue when asked by photographers to smile on the occasion of his 72nd birthday, March 14, 1951 in Princeton, N.J.

Iconic photo trove locked away in old Pa. mine
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