Established in 1990 with a gift from Mrs. Henry J. Heinz II, the Heinz Architectural Center enhances appreciation and understanding of architecture and the built environment through exhibitions, lectures, charettes, symposia, and other forms of public engagement. Its collection of nearly 6,000 objects includes drawings, models, photographs, artifacts, games, ephemera, and the world's third-largest collection of plaster architectural casts. Ranging from the late 18th century to the present, the collection represents work in architecture, landscape design, engineering, and furniture and interior design by architects of international, national, and regional significance. Areas of strength are residential architecture and leading contemporary British architects; recent collecting activity has focused on the work of emerging practices around the world. In addition to 4,000 square feet of exhibition space, the Heinz Architectural Center's facility, designed by Cicognani Kalla Architects, includes a library housing several thousand books, journals, and other types of printed material.