A driver tore through the National Mall in an SUV Saturday, weaving around locals and baffled tourists on the pedestrian ...

T he Smithsonian Castle is a beautiful neo-Gothic building towering over the National Mall in Washington DC. “The Castle” is ...

There’s also a cramped tunnel between the Castle and the National Museum of Natural History, per Smithsonian, but “most employees prefer a quick jaunt across the National Mall.” The cistern ...

A “secret chamber” 30-feet deep was found below the National Mall in ... there was an unanticipated archaeological discovery under the National Mall as part of the Smithsonian Castle ...

Sadly, no national treasures or secret symbols were recovered. But this discovery does offer a unique peek into the past, a reminder of the Smithsonian’s and the National Mall’s long history.

A “secret chamber” 30-feet deep was found below the National Mall in Washington DC. It was likely as a cistern, historians say.

A “secret chamber” 30-feet deep was found below the National Mall in Washington DC. It was likely as a cistern, historians say.

A “secret chamber” 30-feet deep was found below the National Mall in Washington DC. It was likely as a cistern, historians say.

A “secret chamber” 30-feet deep was found below the National Mall in Washington DC. It was likely as a cistern, historians say.