Within the forbidden knowledge of the Watchers and reinserted into the Mystery Religions by Nimrod is the concept of building monuments on sacred (i.e., demonically and magnetically charged) site that align with Second Heaven powers to control the destiny of humanity.  Many Remnant researchers understand the Masonic/Occult placement and design of Washington DC.  However, there are many more sites around the world build in the ancient world that still affect humanity today.