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.

Riley travels to Portsmouth, R.I., where residents are setting up a 115-ton wind turbine that will provide years of clean energy. The constant blowing wind will fuel the rubine, but how do you raise giant blades in the midst of these unpredictable winds? Written by Anonymous

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Riley joins a crew lifting a 50 ton boiler 160 feet up a tower and suspending it above 24,000 mirrors - completing America's first large scale solar power tower.

The John Day Dam near Portland, Oregon is a huge producer of electricity and shipping portal. If blocked, traffic on the entire Columbia River comes to a screeching halt. With billions of dollars on the line, join Sean Riley on this challenging fix. Written by Anonymous