El Zanjon de Granados, Buenos Aires: How to Visit and What to Do Nearby
El Zanjón de Granados is a restored 19th-century mansion at Defensa 755 in the San Telmo neighborhood of Buenos Aires, built over a network of brick tunnels and watercourses dating to the 1730s. The site was excavated beginning in 1985 when the building's new owner found colonial-era foundations, pottery, and sections of the city's original drainage system beneath the floors. Guided tours last about 50 minutes and descend through illuminated subterranean passages that reveal three centuries of construction layered on top of each other. The property also hosts occasional tango concerts in its main courtyard. is just one of many options in Buenos Aires. Major attractions worth considering include CCK (Centro Cultural Kirchner), Tigre, and 9 de Julio Avenue (Avenida 9 De Julio).