Photo of the day

The Bergen line is an important route for freight trains transporting goods across Norway. This is from World's Greatest Train: Journeys from Above.

Taronga's Head Of Ungulates Jimmy Sanders conducts Giraffe target training. This is from Secrets of the Zoo: Down under.

Freight trains carrying Norwegian timber share the same line as passenger trains on the Bergen line. This is from World's Greatest Train: Journeys from Above.

Orphaned baby wombat Waru. This is from Secrets of the Zoo: Down under.

The NDM6 Diesel locomotive passes through thick fog in route to Darjeeling. This is from World's Greatest Train: Journeys from Above.

Kambiri is one very pregnant Pygmy Hippo. Pygmy Hippo's are endangered with less than 3000 estimated to remain in the wild. This is from Secrets of the Zoo: Down under.

The sun is getting low as the camera crew fills the jon boat. This is from Something bit me!.

Curious and confident, Sabi Star, is the 15th Black Rhino calf born at Taronga Western Plains Zoo in Dubbo. The Zoo is home to a highly successful breeding program for this critically endangered species. This is from Secrets of the Zoo: Down under.

A steam locomotive releases pressure due to a defective part that needs replacement. This is from World's Greatest Train: Journeys from Above.

Crocodile eating. This is from Crocodiles revealed.

An Australian Frill-necked Lizard stares down a cricket for breakfast. In the wild, a Frill-necked Lizard diet can include anything from spiders, ants, termites to insects. This is from Secrets of the Zoo: Down under.

Crocodile on sandbank. This is from Crocodiles revealed.

Black Rhino calf Sabi Star alongside mom Bakhita at Taronga Western Plains Zoo, Dubbo. It’s the fourth calf for experienced mom Bakhita, the Zoo's most successful breeding female. This is from Secrets of the Zoo: Down under.

The cherry picker is being put into place as jib operator Justin Umphenour checks his cell phone. This is from Something bit me!.

Many crocs around elephant carcass. This is from Crocodiles revealed.

Woodland surrounding the MÅ¡ne Reservoir. This is from WW II: Secrets from Above.

A crocodile eye. This is from Crocodiles revealed.

The Möhne Dam in Germany was one of the main targets for the Dambusters Raid in May 1943. This is from WW II: Secrets from Above.

Camera crew prepares for the shoot as the talent canoes across the water. This is from Something bit me!.

Avro Lancaster bombers were used for the Dambusters Raid in May 1943. This is from WW II: Secrets from Above.

A crocodile hunting. This is from Crocodiles revealed.

A swampy buggy arrives to save James Boyce, played by actor James P. Edwards. This is from Something bit me!.

A man arrives at heaven's gates. This is from History: the interesting bits.

Aerial view of MÅ¡hne Dam.

Soldiers walking through an opium field. This is from Narco Wars: Chasing the Dragon. This is from WW II: Secrets from Above.

An animation depicting George Washington as a King. This is from History: the interesting bits.

Iván Morales is a former Mexican Federal Police Officer. On May 1, 2015, during an operation aimed at capturing “El Mencho”, leader of the Cartel Jalisco Nueva Generación, Morales was severely injured and burnt when the helicopter he was travelling on was shot down by cartel gunmen. This is from Narco Wars: Chasing the Dragon.

The JWST during construction. (NASA) This is from Ultmate Space Telescope.

REENACTMENT - American Revolutionary John the Painter sits in a dark tavern. This is from History: the interesting bits.

Jeffrey Higgins is a journalist and former DEA Special Agent. Working as an agent in Kabul, Afghanistan, he was involved in the arrests of Khan Mohammed Khan, a drug trafficker with close ties to the Taliban insurgency, and Haji Bagcho, who in the mid-2000s controlled a fifth of the world’s heroin, according to the UN. This is from Narco Wars: Chasing the Dragon.

JWST launch on top of an Aian rocket from ESA space Center in French Guiana. (NASA). This is from Ultmate Space Telescope.