{"nrhp_refnum":"76001598","name":"Phipps Conservatory","other_names":[],"category":"building","location":{"address":"Schenley Park","address_restricted":false,"city":"Pittsburgh","county":"Allegheny County","state":"PA","lat":40.43875894100006,"lon":-79.94758866599994,"geom_source":"nps_gis"},"listed_date":"1976-11-13","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Agriculture","Science","Architecture"],"significance_levels":["state"],"summary":{"what_it_is":"A large iron-and-glass botanical conservatory in Schenley Park, Pittsburgh, Allegheny County, Pennsylvania, designed by Lord & Burnham and completed in August 1893. It was at that time the largest conservatory in the United States, with a central domed palm house and flanking wings and pavilions.","why_significant":"The nomination argues that it is one of the few remaining conservatories built in the grand style of the late 19th century and that it remains an active cultural and educational center. It is also tied to Henry Phipps, a steel business partner of Andrew Carnegie, whose gift to the city it commemorates.","narrative":"Built by the firm Lord & Burnham and completed in August 1893 at a cost of $100,000, this iron-and-glass botanical conservatory in Schenley Park was then the largest conservatory in the United States. Its plan is symmetrical and formal, centred on a domed palm house measuring 145 by 65 feet, with flanking wings, domed pavilions and nine growing greenhouses at the rear. The building contains more than 60,000 square feet of glass and rests on Amherst sandstone foundations. Henry Phipps, who had been a partner with Andrew Carnegie in the steel firms that became Carnegie Steel, funded the conservatory as a gift to the city. Its annual flower shows have drawn large crowds since the 1890s, and the building is regarded as one of the few surviving grand conservatories of its period in the country.","period_of_significance":"1893-1899","architect_builder":"Lord & Burnham (architect/builder)","architectural_style":"Richardsonian Romanesque (entrance building, demolished 1967)","criteria":[],"status_note":"Renovation and restoration under way; the Richardsonian Romanesque entrance was demolished in 1967 and replaced with a modern entrance.","vacant_flag":false,"machine_generated":true,"model":"claude-haiku-5-5","prompt_version":"v1.1-2026-10-29","generated_at":"2026-10-29 17:11:30.52812-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/76001598.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/76001598/fdb946d93e-800.webp","url_1600":"https://nationalhistoricalregister.com/media/76001598/fdb946d93e-1600.webp","licence":"CC BY-SA 4.0","author":"Dllu","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Phipps_Conservatory_winter_2015_welcome_center.jpg\" rel=\"noopener\">Dllu</a>, <a href=\"https://creativecommons.org/licenses/by-sa/4.0\" rel=\"license noopener\">CC BY-SA 4.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Phipps_Conservatory_winter_2015_welcome_center.jpg"},"district":{"nrhp_refnum":"85003506","name":"Schenley Park","url":"https://nationalhistoricalregister.com/districts/pennsylvania/schenley-park-85003506/"},"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71997620","wikipedia":"https://en.wikipedia.org/wiki/Phipps_Conservatory_and_Botanical_Gardens","wikidata":"https://www.wikidata.org/wiki/Q7186407"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/allegheny-county/phipps-conservatory-76001598/"}