404 White Birch Road High on a ridge, with majestic views of the Hudson River, the Catskill Range and beyond, is Tailings. Ivy-covered columns, suggesting a distant past, dominate the approach to the house. A spacious light-filled 85' glass and rusticated block entranceway connects the 5, 000 sq. ft. complex of 4 pavillions, each representing a different period of architecture. Post-Modern: the guest apartment, with private deck overlooking gardens and the Berkshires. Palladian: the Music Room, a large triangular-shaped room with fireplace and a soaring domed ceiling. Its Palladian doors open to the columned portico overlooking the Hudson River Valley. Modern: kitchen/dining pavilion, with a raised fireplace and doors that open on to the west lawn. Greek Revival: the master suite with a spacious en suite bath and dressing room and an adjoining library. Tailings'' is a blend of architecture, design and nature: a multidimensional masterpiece