The world's largest time capsule – located in Seward, Nebraska, and containing over 5,000 items – is set to be opened in under a month's time.

In 1975, Seward local and former store owner Harold Keith Davisson, then a senior citizen, constructed a 45-ton vault on the front lawn of his store.

"He wanted his grandchildren to know what HIS life was like in 1975," Davisson's daughter Trish Johnson told Roadside America . "He was convinced that they wouldn't remember him."

On that front it was a pretty good effort. Rather than building any old time capsule, he had built the largest time capsule in the world, according to the Guinness Book of World Records, who awarded it this title in 1977.

Before long, however, Oglethorpe University in Atlanta, Georgia, protested that their " crypt of

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