The Castle, on the other hand, has been closed for two years while it undergoes its first renovation in 50 years. It will house an expanded visitor’s center with public programming when it reopens.

The Smithsonian’s cistern, built in 1847, measures 9 feet in diameter and plunges 30 feet deep. That’s enough room to store an impressive amount of water.

Atlantic County Rare bricks from an old N.J. church will be used to restore the Smithsonian Castle Updated: Jun. 23, 2025, 6:49 p.m. | Published: Jun. 23, 2025, 12:04 p.m.

The closing of the West Wing during renovation allowed the hall to be used for the storage and repair of the flag. Summary Interior view, Star-Spangled Banner in the West Wing of the Smithsonian ...