Completed in 1855, the Seneca sandstone of the Smithsonian Castle here was described as lilac grey after being quarried and cut in Montgomery County, Maryland. This sandstones weathered over time to its rusty red color. A rickshaw tour of DC, at the Smithsonian Castle (1855). #SmithsonianCastle #SmithsonianInstitutionBuilding #pedicabtours #pedicabride #washingtonDCpedicab #dcpedicab #wheelthepeople #dcrickshawtour #nationalmalltour #dctours #dctour #DCtrip #WashingtonDCtrip #WashingtonDCtour #WashingtonDCtours #WashingtonDCtravel #WashingtonDCvacation #NationalMallTravel #WashingtonDCbusinessTrip #rickshaw #rickshawtour #rickshawtours #pedicab #pedicabtour #pedicablife (at Smithsonian Castle) https://www.instagram.com/p/CkDW7s0OSg5/?igshid=NGJjMDIxMWI=














