Curiosity Now offers classic factual content from an extensive, award-winning library of original and curated documentaries across popular genres like science, history, space, wildlife, nature and more. Stacked for optimal binge-watching, Curiosity Now is a brand-safe environment for family-friendly viewing

The Tracker's Diary: Bears of Katmai

S1, EP3 "A Working Ecosystem"

During a lull in bear and salmon activity, Casey and the crew decide to head inland in search of the spawning fish.

The Tracker's Diary: Bears of Katmai

S1, EP4 "The Wolf and The Storm"

After seeing a wolf in the distance and tracks on the shore, the crew head inland in search of more clues to the wolf's whereabouts.

The Tracker's Diary: Bears of Katmai

S1, EP5 "Neighbors, Old and New"

Casey and the crew go out in search of the family of the lost cub from the previous night.

The Tracker's Diary: Bears of Katmai

S1, EP6 "No Place Like Home"

Casey and his crew wander the tidal flats and interior of Katmai and find the bones of a humpback whale that washed ashore.

The Tracker's Diary: Tigers of Nepal

S1, EP1 "Lay of the Land"

Casey and his camera crew arrive in Nepal and meet up with local tiger guide, Rajan Chadhary; a seasoned tracker, Rajan guides the team around Bardiya National Park's tiger habitat and establishes a lay of the land.

The Tracker's Diary: Tigers of Nepal

S1, EP2 "On the Tiger Trail"

While walking in the jungle, Casey and the team find a tiger; the tracks lead to a lot of dead ends, but they discover a plethora of other wildlife along the way.

The Tracker's Diary: Tigers of Nepal

S1, EP3 "Into the Tiger's Bedroom"

Casey and Rajan discuss different tactics for finding tigers: sit and wait for them to come to the water, or track them on foot through the jungle.

The Tracker's Diary: Bears of Katmai

S1, EP1 "The Last Frontier"

Every fall in the northern Pacific, up to a million salmon migrate back to the rivers and streams where they were born to spawn.

NYC Revealed

S1, EP3 "Trash"

Many things come to mind when thinking about New York, but how the city deals with its garbage is usually not one of them; here is how the city hauls away its trash.

NYC Revealed

S1, EP4 "Sewage"

New Yorkers create, on average, 1.3 billion gallons of wastewater per day that makes its way through 7,500 miles of pipes that make up the city's sewer system.

NYC Revealed

S1, EP5 "Steam"

Many don't know it, but New York is a city that runs on steam; it's one of the few cities that relies on the old technology to heat some of its famous buildings.

NYC Revealed

S1, EP6 "Bridges"

New York has some famous bridges; these engineering examples have helped set the tone for how bridges around the world are designed.

NYC Revealed

S1, EP7 "Parks"

New York City might be known as the concrete jungle, but its nearly 30,000 acres of park space have been an ever-present part of this metropolis.

NYC Revealed

S1, EP8 "Airports"

New York has one of the busiest airspaces in the world; here is how New York's airports have evolved to handle 140 million passengers each year.

NYC Revealed

S1, EP9 "Electricity"

Keeping the lights on in New York City is no easy task; as New York moves towards a greener future, the manner of generating electricity will have to evolve.

NYC Revealed

S1, EP10 "Water"

Getting water from upstate reservoirs to the taps of over 8.5 million people in New York City is no easy feat.

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