A pyramidion (pl. pyramidia) is the uppermost piece or capstone of an Egyptian pyramid or obelisk.
The Washington Monument's pyramidion was cast by William Frishmuth from aluminum, at the time a rare metal as valuable as silver.
A set of eight lightning rods installed in 1934 around the aluminum pyramidion, which protrude above its tip by another 15.2 cm (6.0 in).
The White House, the Capital, the Treasury, the Marine Barracks, the Pentagon and just about everything else.
The Washington Monument
The engraving at the top of the Washington Monument is translated as "praise to God." The inscription, Laus Deo, is in Latin.
a pyramid
I wouldn't consider it a window, but if you go to the top of the monument, you can look out of it.
897
aluminum
Gold
Aluminum
Washington monument
The obelisk is the architectural style of the Washington Monument. An obelisk is a tall, four-sided pillar with a pyramid-shaped top.
No, the top of the Washington Monument is capped with a pyramidal point or pyramidion. The pyramidal point was cast by William Frishmuth from aluminum, at the time a rare metal as valuable as silver.
Because it is a monument to George Washington.