It's hard to relate as you drive by, and keep driving by, and curve around and keep driving by, just how big this building is.
The highway is on the far side, and you drive around 2 sides. Yes, this is the Pentagon. Or, rather, perhaps it's The Palace of Strength ('HECHAL HAOZ') from the Zohar?
Zohar - Parshat Balak: And in the sixth day, shall be seen within 25 days of the sixth month (Hebrew month of Elul) and shall gather on the seventh day at the end of 70 days.
In the first day it will be seen in one city, and at that day three high places shall fall down in that city. And the Palace of Strength shall fall down. And the ruler of that city (i.e. the angel that is responsible for this city in the upper worlds) shall die.
And then that star shall be spreaded to be shown in the world. And at that time there shall be harsh battles stimulated in all 4 directions and faith shall not be found among them.
...One king shall rise, big and ruling in the world, shall rise over all the kings, and shall stimulate battles in 2 directions, and will overcome them.
And... the holy land shall tremble (i.e. earthquake) 45 miles away from the place where the Temple used to be...