America has so many stories to tell. And nobody brings them to your home like Smithsonian Channel.

Smithsonian Channel HD

Host Mike Davidson assists on a multi-million-dollar tunnel-boring project underground in Toronto.

How Did They Fix That?

Toronto Tunnel

Host Mike Davidson helps make high-stakes repairs for one of the world's largest open-ocean fish farm operations in Panama.

Deep Sea Fish Farm

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S1 E6 | Toronto Tunnel