Photo of the day

Migrating northern bald ibis are pictured from a microlight aircraft in Wallersee, Austria. This is from Europe From Above, Season 5.

A view of a common snapping turtle underwater. This is from America's National Parks.

C46 plane wreck glimmers in the waters off Norman's Cay. This is from Drain the Oceans.

Albert Lin snorkels through an underwater site. This is from Lost Cities with Albert Lin.

Balloon pilot Elisabeth Rosseneu and her husband fly her balloon while participating in the Festival International De Ballons in Château-d'Oex, Switzerland. This is from Europe From Above, Season 5.

A view of the Northern Lights in Voyageurs National Park. This is from America's National Parks.

Graphic shot showing the location of the bomb room inside the wreck of HMS Edinburgh. This is from Drain hte Oceans.

Albert Lin climbing up a quarry. This is from Lost Cities with Albert Lin.

The town of Scalloway, on Scotland's Shetland archipelago, is seen from above. This is from Europe From Above, Season 5.

Stars over a lake in Voyageurs National Park. This is from America's National Parks.

Brad Stevens looks out over the wreck site at Icon Bay. This is from Drain hte Oceans.

Cyril holds a Dorado, top predators of piranha. This is from Wild Fish.

Houses on the waterfront are seen in an aerial view in Carzano, on Monte Isola, Brescia, Italy. This is from Europe From Above, Season 5

A view of the Milky Way over Voyageurs National Park. This is from America's National Parks.

Dr. Albert Lin approaches the ancient island city of Nan Madol by boat. This is from Lost Cities with Albert Lin.

A Caiman swims through the wetlands.This is from Wild Fish.

Tall hedges protect fields of fresh flowers on the Isles of Scilly. This is from Europe From Above, Season 5.

Camera Operator, Yuzuru Masuda, stands in a beaver pond wearing waders. This is from America's National Parks.

Researchers excavate a sphinx prop. This is from Drain the Oceans.

A CGI recreation of Nan Madol, an ancient island city in Micronesia. This is from Lost Cities with Albert Lin.

Cyril holds an Armado Chancho, known for having very sharp spines on their side. This is from Wild Fish.

The Torrevieja Salt Lake in Spain is seen from above.This is from Europe From Above, Season 5.

A mink stands on beaver lodge. This is from America's National Parks.

Lost City Reconstruction: Exterior. M/S of sphinx head (one in the two rows of sphinxes leading to the gates of the Pharoah's City) with the gates to the Pharoah's City in the background. Part of the film set built in the sand dunes near Guadalupe, CA. Built in 1923 by Cecil B DeMille for his film The Ten Commandments, this was the largest film set in movie history at that time. When filming was completed, DeMille ordered that the film set be destroyed. Its remains were finally discovered in the 1980s by film history enthusiasts. This is from Drain the Oceans.

Cyril and the team set out on a mission to help conserve one of South America's last remaining river giants, the rare and dangerous short tailed river stingray, feared by locals for its razor sharp charm laced with agonizing venom. One of the biggest stingray species in the world, the short-tailed river stingray can grow as large as an adult human; over five feet in diameter and weigh over 400 pounds. But despite their massive size, they face many challenges caused by human activity. This is from Wild Fish.

The Palagruza Lighthouse is seen from above in Palagruza, Croatia. This is from Europe From Above, Season 5.

A beaver sits on a beaver lodge with snow on it's face in winter. This is from America's National Parks.

Albert Lin on a boat heading towards a mangrove. This is from Lost Cities with Albert Lin.

Cyril holds a spotted sorubim or Pintado, a bottom dweller similar to a catfish. This is from Wild Fish.

Tiziana Baldassari and Roberto Baldassari at Cattolica Beach. This is from Europe From Above, Season 5.