Sean Riley heads to the Big Easy to help clear out a massive barge that's become stuck onshore.

Riley heads into the remote jungle to help a team of rocket scientists and engineers launch a new two-ton satellite with a price tag of more than $1 million into orbit.

Witness a risky fix on the Trans-Alaska Pipeline--one of the world's longest crude oil pipelines.

Sean faces one of his most spectacular fixes to date as he repairs a giant magnet at the Large Hadron Collider with success paving the way for scientific breakthrough, while failure means a potential catastrophe.