Capitol Story Image: 

Authorized by Congress March 3, 1855

Begun September 1855 - Finished January 1866

Architect: Thomas U. Walter
Cost: $1,047,291
Weight of ironwork: 8,909,200 pounds
Number of windows: 120
Number of columns: 48
Exterior Height:
217 feet from the base of the dome to the top of the statue;
288 feet from the ground to the top of the statue
Interior Height:
180 feet from the rotunda floor to the to the top of the interior dome
The Capitol Story
The Capitol Dome
Image Caption

Facts About the Dome

Authorized by Congress March 3, 1855

Begun September 1855 - Finished January 1866

Architect: Thomas U. Walter
Cost: $1,047,291
Weight of ironwork: 8,909,200 pounds
Number of windows: 120
Number of columns: 48
Exterior Height:
217 feet from the base of the dome to the top of the statue;
288 feet from the ground to the top of the statue
Interior Height:
180 feet from the rotunda floor to the to the top of the interior dome
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The Capitol Story
The Capitol Dome