The conservatory building was designed in 1964 by Denver architects Victor Hornbein and Ed White Jr. and opened in 1966. Its structure consists of high, interlaced concrete arches inset with faceted Plexiglas panels, which suitably honor benefactor Claude Boettcher of the Ideal Cement Company. It incorporates more than 85,000 sq ft (7,900 m2). of tropical climate plants inclucing more than 15 carnivourous plants. In 2003, it was renamed the Elizabeth Anna Boettcher Nature Conservatory.