Amelita Galli-Curci Estate, also known as Sul Monte, is a historic country estate located near Fleischmanns and straddling the boundaries of Delaware County and Ulster County, New York. It was designed by noted architect Harrie T. Lindeberg (1879–1959) as a country home for Italian operatic soprano Amelita Galli-Curci (1882–1963). The estate has seven contributing buildings and two contributing structures. The main house was built in 1922 and is a large, rambling two story structure with multiple wings that wrap around a central courtyard. It is a wood frame building lad in variegated stone, stucco, and wood and sits on a concrete foundation. It features a series of massive, steeply pitched hipped and gabled cedar shingled roofs. Other contributing buildings and structures include the swim