Smithsonian National Zoological Park always free admission

This is free. When: See museum hours; Smithsonian museums generally free. Where: 3001 Connecticut Ave. NW, Washington, DC.

Smithsonian National Zoological Park · Offer

Smithsonian Institution museum with free general admission. Free timed-entry passes required. Confirm hours and any timed-entry requirements on the museum visit page before you go.