Original Main Conservatory and the Bartholdi Fountain
 

The 300-foot-long Main Conservatory, begun in 1867, consisted of a central dome and two wings. This photograph also shows where the Bartholdi Fountain stood from 1877 until 1927.

 
Brief History of the US Botanic Garden
Original Main Conservatory and the Bartholdi Fountain (Photograph)
The Central Dome of the Old Main Conservatory (Photograph)
The US Botanic Garden's First Conservatory (Photograph)