The Semiquincentennial Congressional Time Capsule in honor of the 250th birthday of the United States to be opened on the 500th anniversary of the founding of the United States, is seen after its unveiling during a ceremony in Emancipation Hall at the US Capitol in Washington, DC, on June 24, 2026. The capsule, that will be buried at the Independence National Historical Park in Philadelphia on July 4, features contributions from all 50 states, US territories and federal partners. Artifacts include state-specific mementos, student artwork, an Olympic gold medal, and a letter from living presidents. (Photo by SAUL LOEB / AFP via Getty Images)