Shepherd Hall - Monument Place - was created in 1798.
New Hall Place was created in 1974.
Turd Hall (Hall of Turds)
Dance Hall of the Dead was created in 1973.
No, there is no government chamber in Mount Rushmore. Gutzon Borglum had planned a Hall of Records and had started carving the place for it. But there were problems with raising enough money for carving the monument, so work on the Hall of Records was stopped in order to be able to continue carving the four presidents.
Venable Hall was created in 1825.
Holmby Hall was created in 1929.
Widney Hall was created in 1880.
Conservation Hall was created in 1929.
Hall Beach was created in 1953.
Kingston Hall was created in 1755.
Munson Hall was created in 1937.
Hall of Clestrain was created in 1769.