The Great Hall of the Castle (pictured in 1969) has housed exhibits, a library, special events and a visitor information center. Smithsonian Institution Archives The Smithsonian Castle has been a ...

The cornerstone of the Smithsonian Castle was laid in 1847. It's the oldest of the monumental buildings on the National Mall, and familiarity hasn't dimmed its original visual power. In the 1840s ...

During the renovation of the Smithsonian Castle in Washington, D.C., workers have discovered a hidden chamber. Built in 1847 to store rainwater, the round brick cistern has been sealed for over ...

The order states that Vice President JD Vance will be in charge of efforts to prohibit federal funding for Smithsonian ...