Located in Sussex, the Millennium Seed Bank acts as an insurance policy against botanical extinction by storing over 2.4 billion seeds from across the globe.

The titan arum heats up to emit this foul stench, perfectly mimicking a dead carcass to attract carrion beetles and flesh flies that spread its pollen.

Established in 1847, the Kew Constabulary protects priceless botanical collections since the illegal trade of rare cuttings is a highly lucrative black market.

Built in 1844, this pioneering greenhouse uses a marine boiler system to maintain the high humidity and temperatures required by fragile rainforest species.