Photo of the day

RECREATION - A Stanford Prison Experiment guard deploys a fire extinguisher. This is from Stanford Experiment.

An engraving was found within the excavated tomb at the Necropolis of San Paolo in Rome. This is from Lost Treasures of Rome, Season 2.

Landscape inselbergs south of the Zakouma National Park. Inselberg The term originally meant "island mountain". These islands are home to Zakouma hyraxes rocks and some species found on these isolated rocks a supportive environment. This is from Extraordinary Africa.

Apprentice Mbali Mtshali takes control of a large female African Rock Pythons (Python sebae) body as Siouxsie Gillet gets a good grip on the powerful snake.

Long-crested Eagle (Lophaetus occipitalis) in the typical landscape of Zakouma National Park. This is from Extraordinary Africa.

Roman Columns were unearthed at the Nero's Theatre dig site in Rome. This is from Lost Treasures of Rome, Season 2.

RECREATION - Stanford Prison Experiment guards and prisoners. This is from Stanford Experiment.

CGI of Forrestal Disaster. This is from Disaster Autopsy.

The tsunami flooded the streets and destroyed everything in its path in Maddampegama, Sri Lanka. This is from Tsunami: Race Against Time.

Experts Siouxsie Gillet and Simon Keys have hold of the deadly Black Mamba (Dendroaspis polylepis) that has been feeding off kittens in a school shed. (

Nyiragongo volcano in the distance the smoke from a height of 3470m latitude. In the foreground, one of the guards of the Park guard. His job is precarious, the last 20 years more than a hundred Virunga rangers have been killed in the line of duty. Even the director Emmanuel de Merode was shot and critically wounded. This is from Extraordinary Africa.

Prof. Boris Dreyer races two Roman patrol boat replicas, that his team have constructed in Germany over 18 months. This is from Lost Treasures of Rome, Season 2.

Science communicator Ada McVean looks at CGI of Sugar Factory Disaster. This is from Disaster Autopsy.

A resort in the Bang Tao area of Phuket, Thailand is pictured on Jan. 11, 2005, after it was leveled by the Dec. 26 tsunami. This is from Tsunami: Race Against Time.

RECREATION - Stanford Prison Experiment guards throw a prisoner into the Hole. This is from Stanford Experiment.

War planes in the forrestal ship. This is from Disaster Autopsy.

Holiday houses destroyed by the tsunami are pictured on Phi Phi island, Thailand, Dec. 29, 2004. This is from Tsunami: Race Against Time.

Snake catchers Simon Keys, Snake Shyam, and Siouxsie Gillett educate the crowd on their latest capture. This is from Snakes in the City.

Various theories are circulating about the zebra lines. Zebras might interfere with the choice of prey at the decisive moment of the chase. This is from Extraordinary Africa.

A restoration professional works on metal corrossion on the outer walls of the Colosseum in Rome, Italy. This is from Lost Treasures of Rome, Season 2.

Structural engineer and fire scientist Prof. Luke Bisby looks at CGI of Piper Alpha Disaster. This is from Disaster Autopsy.

The popular tourist destination of Khao Lak in Thailand is devastated by the force of the tsunami. This is from Tsunami: Race Against Time.

RECREATION - Stanford Prison Experiment guards and prisoners. This is from Stanford Experiment.

This is a stunning close up shot of a one of Africa's deadliest snakes, a Black Mamba (Dendroaspis polylepis). It is showing off its famous pitch black mouth, which makes the snake easily identifiable. This is from Snakes in the City.

Nazinga elephants approaching cameras placed in their way. This is from Extraordinary Africa.

The Colosseum is pictured in Rome, Italy. This is from Lost Treasures of Rome, Season 2.

Scientist and author Dr. Andrew Steele look at CGI of Kings Cross disaster. This is from Disaster Autopsy.

Survivors walk across the debris in the aftermath of the tsunami in Banda Aceh, Indonesia. A massive earthquake in the Indian Ocean sets off a tsunami which within minutes arrives in the bustling city of Aceh, causing unprecedented havoc and devastation. “Tsunami: Race Against Time” follows the desperate struggle to survive of city-dwellers in Indonesia and tourists in Thailand caught in the unfolding catastrophe, as well as the scientists racing against time to warn the world. This is from Tsunami: Race Against Time.

RECREATION - Stanford Prison Experiment guards and prisoners. This is from Stanford Experiment.

Over in India, snake catchers Siouxsie Gillet and Simon Keys are joined with local snake catcher, Gouri to catch a large king cobra (Ophiophagus hannah). This is from Snakes in the City.