How to Make a Time Capsule That Will Last 250 Years

The America250 time capsule will hold dozens of historical treasures. Avoiding dampness and other dangers requires lots of engineering.

50-year-old time capsule opened in South Charleston

The unsealed capsule revealed books, photos, newspaper clippings and other memorabilia. A new time capsule will be sealed on stage at Summer Fest on August 15th.

Winnetka opens 1976 time capsule, revisiting village history, memories of America's Bicentennial

A nearly 50-year-old time capsule sealed during America's Bicentennial was opened Friday at Winnetka Village Hall, continuing a tradition that dates back to the building's construction in 1925.
Smithsonian Magazine

For Its Birthday, the U.S. Will Give Americans of the Future a 900-Pound Time Capsule Filled With Art, Natural Treasures and a Clever Copy of the Declaration of Independence

The capsule was created and filled at the direction of Congress, through the America250 commission. It will be interred beneath an original sculpture on July 4

A diamond, a whale bone and lots of letters: What's inside the America 250 time capsule

A 900-pound time capsule marking the 250th anniversary of American independence has been sealed shut and shipped to Philadelphia, where it will be buried next month