American Museum of Natural History
American Museum of Natural History: Create Your Own Time Capsule
By making time capsules, we can decide what message to send to the future about our own lives. If it were discovered years from now, what would the objects say about you and the time you lived in?
University of Chicago
The Oriental Institute Museum: Life in Ancient Mesopotamia [Pdf]
Because archaeologists cannot take home all the objects they unearth, they must make detailed, accurate drawings of their finds, so that these artifacts can be studied in the future.