Constitution Avenue NW and 15th Street SW Washington DC United States http://nps.gov/wamo/
Status:
built
Construction Dates
Began
1848
Finished
1884
Floor Count
3
Building Uses
- monument
- observation
Structural Types
- tower
- pyramid
Heights
Value
Source / Comments
Roof
555 ft
https://en.wikipedia.org/wiki/Washington_Monument
Top floor
499 ft
https://en.wikipedia.org/wiki/Washington_Monument
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Description Architect: Robert Mills
• Tallest stone structure in the world.
• World's tallest structure in 1884–1889
• World's tallest tower till 1939
• Construction was started in 1848, but halted in 1854 at a height of 150 feet.
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