Founded in 1867 by Khedive Ismail, the Aquarium Grotto Garden in Zamalek is a historic oasis featuring cave-like structures and 49 aquaria with Nile and marine fish, preserved specimens, and rare botanical species from Madagascar, Thailand, and Australia. Enjoy shaded grottoes, a tranquil ambiance, and a nostalgic stroll framed by architectural details inspired by fish gills.