Steel beams and metal
The Empire State Building was the first building with 100 stories, reaching 1,472 ft or 448.7 m. It held the tallest building record from 1931 up to 1967 when the Ostankino Tower in Moscow, Russia took over the title. The Burj Dubai in Dubai, United Arab Emirates is currently the tallest free standing building in the world.
The Capitol Building
Laws were one of the factors that gave the empire unity. Since all provinces and territories were ruled by Roman law, the laws were the glue that held the empire together.
The building in which the Constitutional Convention was held is what was then known as the Pennsylvania State House in Philadelphia, Pennsylvania. The name was later changed to Independence Hall.
solid
building on a slope. A subtaining slope wall of stones held together by mud or cement.
water
at the Horticulture Building at the New York State Fairgrounds.. I think.
Particles may be held together in a solid state, where they maintain a fixed position in a regular arrangement but may still vibrate in place.
The State of Union is an annual address presented before a joint session of Congress and held in the House of Representatives.
Solid state
Typically a college will offer new students a map labelling which building is which and their course listings will state which building the lecture is held in. Alternatively they may have maps in communal areas with the building names on.