Mega Movers

Bridges have been pushed, airlifted and taken apart, but if needed, can one of the world's longest and most famous suspension bridges be moved? Experts say San Francisco's Golden Gate Bridge can be relocated and they'll show how. In Rhode Island, the team is challenged when they take on the job to haul the world's widest network-arched bridge 15 miles up river and set it in place.

Moving large structures at sea.

The devastation left in the wake of locusts.