The Smithsonian is the world’s largest museum complex, with 21 museums and the National Zoo. Eleven museums are located along the National Mall in Washington, D.C., six others and the Smithsonian’s ...

More than 1,800 animals reside at the Smithsonian's 163-acre National Zoo & Conservation Biology Institute, from Asian elephants to cheetahs to sea lions. Look up every now and then as you stroll ...