What Is String Theory? Brian Greene Explains

Just a few miles from the casinos, Red Rock Canyon offers a spectacular backdrop for outdoor recreation and a peaceful escape from the hustle of Las Vegas

Red Rock National Conservation Area (2:48)

Mantis Shrimp have a knockout punch, delivering a killer blow as fast as a 22-caliber bullet.

The Fastest Punch in the World (2:52)

World War II veteran John Raaen Jr. was there the day Allied troops stormed Omaha Beach at Normandy. In retelling the experience to Weapon Hunter host Paul Shull, he singles out the Bangalore torpedo as a game-changer.

Allied Troops Used These Massive Pipe Bombs at Omaha Beach (4:22)

It's a war of weapons, brute force and tenacity. Threatened by the powerful Hyksos army, the Egyptians have to make a choice: live under the control of the occupiers or risk everything to be free.

An Egyptian Arms Race (4:20)

Weapon Hunter host Paul Shull is tracing the history of the iconic American gun known as the Stinger. In the process, he meets Robert Mueller, a veteran who survived the battle of Iwo Jima, where the Stinger made its debut.

What It Was Like to Be on the Ground at Iwo Jima (3:20)

Two British commandos impulsively storm a Nazi-occupied warehouse on the Norwegian island of Vaagso. Inside, the Germans are waiting for them, greeting them with a hail of bullets.

A Heroic Mission to Disarm Nazi Snipers Goes Very Wrong (4:00)

The tragic true story of an innocent man suspected of murder is a classic motif of the Hollywood thriller and is used as a subplot in Scream.

Killers Don't Always Look the Part (2:50)

Find out how forensic pathologists determined that Donald Harvey, a mild-mannered hospital worker who called himself the "Angel of Death," murdered nearly 100 people.

Is Donald Harvey the Most Prolific Serial Killer in America? (3:34)

Between 1950 and 1960, the population of Las Vegas grew by 161%--partly due to the burgeoning casino industry. But another reason was a chance to glimpse actual nuclear tests in person.

How 1950s Las Vegas Sold Atomic Bomb Tests as Tourism (1:30)