Home to more than 4,500 animals representing at least 450 different species, Zoo Frankfurt covers 32 acres near the city's old Friedberger Tor. 

Founded in 1858, it's Germany's second oldest zoo and is noted for its excellent animal houses, including the unique Grzimek House with displays of Madagascar's diverse fauna. 

Also of interest is the Exotarium, with animals from different climatic regions, including marine life, reptiles, and crocodiles. The Borgori Forest has a superb ape house in an authentic jungle setting. 

Other highlights include the Nocturnal Animals House and the Bird Hall. A variety of events and programs are offered, including family festivals, exhibits, and themed tours.