This vast building was erected between 1826 and 1829 to house the collections of a previous botanical garden. Artist and decorator Pierre-François Gineste oversaw the works, to plans by architect Tilman-François Suys. Following the traditional structure of orangeries, Suys designed an imposing central rotunda with a dome, flanked by two wings, each ending in a slightly projecting pavilion. It was soon decided that this magical place would make a perfect venue for parties and a large room was fitted out to this end between the eastern orangery and the rotunda. This later became the herbarium room in 1870. The building was used for its original purpose until 1939. After being bought by the State in 1970, it became a cultural centre for the French Community, opening as such in 1984. Facilities include the orangery, a hall holding 700 people, the rotunda located beneath the dome, the Witloof Bar in the vaulted basement, the museum and gallery, and exhibition spaces. Today, Le Botanique hosts numerous cultural events, mainly art exhibitions and concerts, including the famous Les Nuits Botanique festival, which has featured artists including Prince, Oasis, Muse, Stromae and Jeff Buckley. (Listed 15/05/1964)

The reception area, greenhouses, museum and gallery will be open to the public.