A ground-breaking study of ceremonial stone landscapes in Northeast America and their relationship to other sites around the world. Presenting a comprehensive field guide to hundreds of lost, forgotten, and misidentified megalithic stone structures in northeastern America, Glenn Kreisberg documents many enigmatic formations still standing across the Catskill Mountain and Hudson Valley region, complete with functioning solstice and equinox alignments. Kreisberg provides a first-person description of the “Wall of the Manitou,” which runs for 10 miles along the eastern slopes of the Catskill Mountains, as well as narratives about related sites that include animal effigies, reproductive organs, calendar stones, enigmatic inscriptions, and evidence of alignments. Using computer software, he plots the trajectory of the Hammonasset Line, which begins at a burial complex near the tip of Long Island and runs to Devil’s Tombstone in Greene County, New York. He shows how the line runs at the