Do not open until July 4, 2276: U.S. buries a ‘zombie-proof’ time capsule
A 2,000-pound 'zombie-proof' time capsule will be buried at Philadelphia's Independence National Historical Park on July 4, 2026, to commemorate the United States' semiquincentennial anniversary. The capsule is designed to safeguard a snapshot of America for 250 years.
The non-profit America250 is organizing a time capsule burial at Philadelphia's Independence National Historical Park on July 4, 2026, to celebrate the United States' 250th anniversary. The 2,000-pound capsule is designed to last 250 years and will be buried underground after initial plans to incorporate it into a monument were scrapped due to structural concerns. Engineers from the National Institute of Standards and Technology (NIST) and preservation experts from the Library of Congress are working together on the project. The capsule is designed to be waterproof, using a bell jar-like device to seal it with an air pocket, and is expected to withstand heavy flooding and other worst-case scenarios. NIST engineer Jay Nanninga led the design of the time capsule, which is intended to safeguard a snapshot of America today for future generations.
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