Most Viewed From Smithsonian Channel

On the surface, they appear to be ordinary dogs, but these canines have a secret identity. They are the Pentagon's stealth warriors, with specialties...

The iconic design of the Boeing 747 has endured for over 5 decades, but the end of production is looming. In this documentary special we follow the...

The fiercest, strangest, and wildest creatures in the animal kingdom face off in a countdown of the most incredible animal moments ever recorded....

For thousands of years, the Great Plains were home to countless numbers of American bison, but in the late 1800s, the number of bison dropped from...

Prepare for liftoff as we explore NASA's Space Shuttle program's legacy, featuring rare footage and testimonies from the people who made it all...

From the desk on which Jefferson wrote the Declaration of Independence to Dorothy's ruby slippers, the National Museum of American History houses...

At first glance, the Hudson appears to be just another industrial river. Tree-lined riverbanks are interspersed between cultivated land, bridges,...

Welcome to Yellowstone, America's oldest and largest national park. Lose yourself in the majestic landscapes that serve as a giant natural...

Going from 0 to 150 mph in three seconds, withstanding three Gs of force, and taking off from what's often called "the most dangerous place on the...

A haunting call echoes across the Liuwa Plain. There is no answer, there hasn't been for years. She has no pride, no support - she alone must...

From M16 rifles to Huey helicopters, the Vietnam War launched weapons that went on to become legendary. This is the untold story of one such weapon...

She is a 13-foot, 70-pound snake that combines size and strength with a strike faster than the blink of an eye. Meet Squeeze, an eight-year-old...

Follow the dramas of mustangs, elephant seals, and other wildlife taking place in California’s reserves and sanctuaries.

The most expensive and specialized airplane ever built, the B2 Stealth bomber carries a price tag of more than two billion dollars. Highly effective...

Every graveyard tells a story, but few can talk to the living like Arlington National Cemetery. Visit the final home of war heroes from the...

A military uniform that represents the uniting of American and South Vietnamese forces. The Olympic tracksuit worn by Tommie Smith when he raised a...

Track the stories of the pilots of Vietnam's Operation Rolling Thunder and their race to survive their 100-mission goal.

Washington, D.C. in 1861. The Civil War is at the doorstep and the city is bracing for disaster. America is a country torn in two. An untested...

Few places on Earth remain largely untouched and uninhabited by humans, but such spots exist in the middle of the Atlantic Ocean. Welcome to the...