Great Seal of the United States: 1782 https://bensguide.gpo.gov/j-great-seal
The seal’s reverse side contains a thirteen-step pyramid with the year 1776 in Roman
Dein Suchergebnis zum Thema: pyramiden
Glossary https://bensguide.gpo.gov/glossary
O obelisk: An upright stone pillar, usually having four sides, that has a pyramid
Washington Monument: 1888 https://bensguide.gpo.gov/j-wash-monument
elevator inside the monument that travels up to an observation room inside the pyramid