Pyramids of Montauk: Explorations in Consciousness (1995) by Preston Nichols and Peter Moon is a conspiracy/occult book claiming that Montauk Point, NY, is home to ancient pyramids linking it to Atlantis, Mars, and Egypt. It claims this, along with subterranean time travel, mind control, and psychotronic weapons.
The book is considered a cornerstone in modern conspiracy literature, bridging the gap between scientific fiction and alternative history.