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Lost Wetlands

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Clip: S1 | 11m 31s | Los Angeles is no desert -- just ask the researchers who discovered a matrix of wetlands. (11m 31s)

Lost Tunnels

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Clip: S1 Ep3 | 7m 40s | Tunnels helped L.A. grow beyond its downtown core. Some are now lost to history. (7m 40s)

Lost Hills

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Clip: S1 Ep3 | 10m 7s | Entire hills in downtown Los Angeles have disappeared in the name of redevelopment. (10m 7s)

Lost Canals

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Clip: S1 Ep3 | 8m 29s | The seven original canals of Venice, California, are lost to history. (8m 29s)

The View from Mount Lookout

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Clip: S1 Ep2 | 8m 48s | Long before the Dodgers arrived, the summit of Mount Lookout was a popular viewing point. (8m 48s)

They Moved Mountains

Clip: S1 Ep2 | 4m 50s | Construction workers shifted 8 million cubic yards of earth to create Dodger Stadium. (4m 50s)

Once Upon a Time in Chavez Ravine

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Clip: S1 Ep2 | 4m 49s | Did the Dodgers evict a Mexican-American neighborhood to make way for their stadium? (4m 49s)

The Devil Wind

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Clip: S1 Ep1 | 10m 47s | This segment explores the origin of the infamous Santa Ana winds. (10m 47s)

California's Lost Grizzly

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Clip: S1 Ep1 | 11m 8s | A look at the demise of the grizzly bear in Southern California. (11m 8s)