Outside World Washington Monument’s Two Time Capsules Opened Contents of 1815 cornerstone and 1915 box revealed at Walters Art Museum.
Outside World 200-year-old Washington Monument Time Capsule Opened Hollow cornerstone reveals jars, newspapers, and coins, so far.
The Chatter Washington Monument Restoration Unearths Second Time Capsule Cornerstone of monument contains objects buried since 1815.
