Built to revive the Roman Empire, now a mosque, Hagia Sophia has had a turbulent history and how it was built reveals a...
(00:59)Historian Michael McNay looks at what makes a great architect and explains why Durham Cathedral in England is his ancient...
(03:00)Lillian found her ideal dog; strong, dependable, affectionate, housebroken , only Tyke is a human.
(02:52)The world’s longest suspension bridge is designed to withstand typhoons, tsunamis and earthquakes.
(01:58)How did these guys produce hundred dollar bills from their kitchen?
(02:56)Meet the ugliest creatures ever to have lived!
(00:55)No one knows for sure why Asian or any other physical features took shape.
(03:12)Hungry Plants
(00:36)Genius Pigeon
(00:59)At CBP Air and Marine, agents prepare to hit the skies to stop illegal immigrants and illicit drugs from entering the US.
(04:37)FOB agents work 24/7 in one of the most active and remote areas for drug traffic and illegal immigrants.
(02:39)The Blackhawk crew helps ground agents to track down illegal immigrants during the night.
(02:41)Part aeroplane, part automobile the Bugatti Veyron uses custom tires to help it reach a top speed of 253 miles per hour.
(03:03)How are they made? Watch as clay sculptures are precisely engineered into Lego pieces.
(03:02)Meet Sonika, the first of just 60 professional female kushti wrestlers in India. No mud please, it’s dirty!
(03:01)Oil is one of the most important commodities today. What would our world look like if we ran out of oil?
(01:14)A doctor helps treat abscessed external ulcers, known as Jungle Rot, for homeless addicts.
(02:31)Despite the dangers that await, many species are beginning their instinctual migratory treks through Africa.
(02:25)