Examining a cliff in England that offered the public a new ride experience. Plus, an astronomical observatory in California and a mining hoist in Germany.

Examining 'The Warrior', an ironclad warship on the south coast of England. Plus, a grand public works facility in Prague and the mint building in San Francisco.

Examining the industrial legacy of a tunnel under the Thames, how steam engines reshaped the Netherlands, and a surprising link to our digital world.

Examining a mill in Manchester that was part of a dawning revolution in the way we work - the factory. Plus, a bridge in St. Louis, and a vast hanger in Brazil.

Examining the legacy of a cable hut in Cornwall, how a mountain railway in New Hampshire inspired its passengers and a lighthouse in France.

Examining the legacy of the first iron framed building (a mill in Shrewsbury), how paper production changed the world, and the impact of the Trans-Siberian Railway.