This exhibition focuses on the spectacular evolution of mammals as the dominant class of vertebrates following the extinction of the dinosaurs some 65 million years ago.

See sculptures located outside the Constitution Avenue and Madison Drive entrances. 

Americans were wild about aviation in the 1920s and '30s, the period between the two world wars that came to be known as the Golden Age of Flight.

Sculptures and objects from the collection are displayed in the Pavilian and rotated regularly.

Most species in the Zoo's Small Mammal House are no bigger than a breadbox.

All of the old favorites are on view in the exhibition hall -- Diplodocus, T. rex, and Triceratops -- and more.

This gallery illustrates the first 40 years of jet aviation (1939-1979), including the evolution of commercial and military jet aircraft.

This exhibition is home to western lowland gorillas and orangutans.

This exhibition focuses on the earliest plants and animals that evolved the complex adaptations needed to live on land.

The early history of the airplane from antiquity through the first decade of powered flight is told.

This model of the starship Enterprise was used in the filming of the Star Trek TV show, which ran from 1966 to 1969.

Soft-bodied and hard-shelled animals, tall sponges, and algae offer a rare glimpse into the earliest explosion of animal life more than 500 million years ago, including the famous Burgess Shale.

Year-round and seasonal residents, migrants and vagrants--hundreds of bird species--are displayed.

This exhibition highlights the history and achievements of planetary exploration, both Earth-based and by spacecraft.

Welcome Center features selected artifacts and an information desk  where information specialists assist visitors.

See Ad Astra by Richard Lippold and Continuum by Charles O. Perry outside the museum's entrances and Delta Solar by Alejandro Otero on the museum's west side.

This exhibition traces NASA's manned space program from 1961 to 1972.

This exhibition gallery highlights NASA lunar surface exploration.

This gallery features famous airplanes and spacecraft that exemplify the major achievements in the history of flight.

The focus of this gallery is overwater flight, including aircraft carrier operations from 1911 to the present.