In the late nineteenth century, this patch of land was a farm known as La Casa de Banos El Eden -- the Bathhouse of Eden -- owned by Victor Arango and later by his sisters and extended family. How it evolved from a private farm into a public garden is a story that mirrors Medellin itself: gradual, sometimes interrupted, eventually triumphant. The garden acquired its formal name, the Joaquin Antonio Uribe Botanical Garden, in 1972, when the facilities were expanded to include a much larger collection of plant species along with an auditorium, library, museum, and dining areas. The name honors Joaquin Antonio Uribe, a pioneering Colombian botanist from Antioquia who devoted his career to cataloging the region's extraordinary plant diversity.

During the worst years of Medellin's drug violence in the late 1980s and early 1990s, the botanical garden was temporarily closed. Crime rates in the surrounding neighborhoods made the park dangerous, and plans were drawn up to demolish it entirely. That the garden survived at all is a testament to the stubbornness of the people who valued it. Instead of demolition, the city chose renovation. The decision to invest in public spaces rather than abandon them became a hallmark of Medellin's transformation -- a philosophy that would eventually earn the city international recognition. The botanical garden was one of the first test cases of an idea that now defines Medellin: that architecture and green space can reclaim territory from violence.

When the garden needed a new structure to house its orchid collection, a competition was held for local architects. The winning design, by Plan B Architects and JPRCR Architects, rejected the idea of a conventional greenhouse. Instead, they created the Orchideorama: a modular system of hexagonal 'flower-tree' structures, each one a column of steel and wood that branches into a canopy overhead. The hexagonal plan allows flexibility -- additional modules can be added as needed, expanding the covered area like a growing honeycomb. The canopy's polycarbonate roof panels collect rainwater, which irrigates the gardens below. Inaugurated on August 25, 2006, during Medellin's annual Flower Festival, the Orchideorama was built in just six months. It now shelters an orchid collection and butterfly reserves beneath what amounts to an artificial forest canopy.

The garden today holds 4,500 flowers and 139 recorded bird species. Great egrets wade through the central pond. Green iguanas drape themselves over branches above the lagoon. A butterfly house, cactus garden, and exhibition spaces fill the grounds, and the entrance pavilion -- designed by architects Lorenzo Castro and Ana Elvira Velez -- sets the tone with its clean, modern lines. But the real life of the garden is social. On any given weekend, families spread picnics on the grass, students study beneath the Orchideorama's shade, and couples walk the paths between beds of tropical plants. For a city of nearly four million people crammed into the narrow Aburra Valley, the botanical garden is a pressure valve -- a place where the density of urban life gives way, temporarily, to the density of leaves.