Bartholdi Fountain, designed by Frédéric Auguste Bartholdi, circa 1945.

Former President Bill Clinton during a visit to USBG in 1993.

The golden barrel cactus (Echinocactus grusonii) is at an extremely high risk of extinction in the wild.

The US Botanic Garden has 1,797 different types of orchids in its custody, including this hybrid lady slipper orchid.

Bartholdi Fountain, designed by Frédéric Auguste Bartholdi.

Gardener Adam Pyle tends to one of his charges.

The orange pods of the cacao tree (Theobroma cacao) are the source of chocolate.

The genus Cymbidium comprises some 52 species of orchid found in Southeast Asia, the Malay Archipelago, and northern Australia.

A rare olulu (Brighomia insignis), commonly known as cabbage on a stick, is native to Hawaii.

The rose garden is culled from the institution's dozens of species.

Bill McLaughlin. US Botanic Garden curator of plants.

A family visiting one of the hothouses, 1945.

Garden Court, at the US Botanic Garden's Conservatory.

US Botanic Gardens

| May 21, 2013 | Special-Galleries

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