Every season of Building the Impossible ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Building the Impossible!

The Eddystone Rock

The Bell Rock

The Fastnet Rock

Wolf Rock

Smalls Lighthouse

The Longstone

Oil Rig

Hoover Dam

Panama Canal

Beachy Head Lighthouse

Muckle Flugga Lighthouse

Boston Light Lighthouse

Presenter Rob Bell takes us on a voyage around Britain and Ireland to reveal the hidden secrets that make offshore lighthouses such extraordinary feats of engineering.

The Best Seasons of Building the Impossible

The Best Seasons of Building the Impossible

Season 1

Season 2

Season 3