A time capsule is a historic cache of goods or information, usually intended as a deliberate method of communication with future people, and to help future archaeologists, anthropologists, or historia
Time capsule plaque in Ypsilanti, Michigan, with instructions for the capsule to be recovered and opened upon the city's bicentennial, on July 4, 2023
The Helium Centennial Time Columns Monument located in Amarillo, Texas, holds four time capsules in stainless steel intended to be opened after durations of 25, 50, 100, and 1,000 years after they were locked in 1968.
Herrick Tower time capsule, Adrian College, Michigan, 2009–2059
Miscellaneous objects prepared for the Westinghouse Time Capsule, created for the 1964–1965 New York World's Fair, intended to be opened in 5000 years
The Crypt of Civilization is an impenetrable, airtight, room-sized time capsule, built between 1937 and 1940, at Oglethorpe University in Brookhaven, Georgia. The 2,000-cubic-foot repository is meant
Time capsule
…and a preceding ceremony, its contents (which included notebooks, newspaper clippings, and community council papers) were met with disappointment. The Crypt of Civilization (1940) at Oglethorpe University, intended to be opened in 8113, is claimed to be the first "modern" time capsule, although it was not called one at the…
Crypt of Civilization interior, photographed prior to sealing
Oglethorpe University – location of the Crypt is in the basement
Typical example of Lincoln Logs placed in crypt
Hand operated Mutoscope was converted into translator