Sean Riley hosts this National Geographic Channel television show that travels the world documenting difficult, monstrous and head-shaking repair jobs in some of the most unique places on some of the most unique things.

A few of the items:
A cruise ship engine, a gigantic telescope mirror, 500,000 kv power lines and a turbine in a nuclear power producing facility.

It's totally engrossing viewing.
You are guaranteed to learn at least a half a dozen things each episode.
You will be amazed that work like this goes on around the world each and every day.

The show's homepage is here.