This is an amazing old photograph from 1866. This shows the interior of the old Library of Congress in the Capitol Building before the current one was constructed.

Stereograph showing an interior view of the Library of Congress with reading room and stacks in the U.S. Capitol building (1866)
Stereograph showing an interior view of the Library of Congress with reading room and stacks in the U.S. Capitol building (1866)
[Click image for larger version.]
Tom founded Ghosts of DC on January 4th, 2012 as a blog to uncover the lost and untold history of Washington, D.C. He has lived in the city for over a decade and loves exploring every corner of the District.