2801 16th Street, NW in 1922. Photo from the Library of Congress Prints and Photographs Online Catalog. Reproduction Number: LC-DIG-hec-14450. No known copyright restrictions. Built in 1922 for $500K ($9.3M today), the Cultural Office of the Embassy of Spain stands at 2801 16th Street, NW. Mary Foote Henderson (1842-1931) and her husband, former Missouri Senator John … Continue reading 2801 16th Street, NW: Cultural Office of the Embassy of Spain