By Olivia WilliamsAugust 14, 2026 News Time Capsule Featuring Treasures from Every U.S. State to Be Buried in Philadelphia for the Nation’s 250th Anniversary A time capsule featuring items from all 50 U.S. states will be buried in Philadelphia to mark the nation’s 250th anniversary. The capsule symbolizes unity and heritage, preserving a snapshot of America’s diverse culture.
