Engineer Tim Joyce discovers the canal system in Galway and its impact on the shape of the city. Geographer Susan Hegarty explores the caves under Lough Corrib to understand the difficulties in canal construction while Architect Orla Murphy looks at the building of the University in Galway and how it fulfilled the ambitions of the City of the Tribes.

Architect Orla Murphy goes in search of the Roe Distillery which was the world’s biggest producer of Whiskey by the late 19th Century. Geographer Susan Hegarty discovers how a supply of fresh water was crucial for large and small industry in the Liberties, while Engineer Tim Joyce investigates the science and technology for making whiskey.

Geographer Susan Hegarty discovers how an inhospitable but beautiful landscape was exploited as a mass market tourism destination. Engineer Tim Joyce explores the engineering behind Europe’s most westerly railway and Architect Orla Murphy investigates the role of a railway company in developing a world class hotel.

Experts explore Ireland's building and engineering achievements. The third episode explores the scheme that brought Ireland into the electric age - The Shannon Scheme and Ardnacrusha power station. Engineer Tim Joyce fulfills a life-long ambition to get up close and personal with Ardnacrusha power station and to explore the innovative engineering that made it the biggest hydroelectric project in the world when it opened in 1929.

Experts explore examples of Ireland's building and engineering heritage. The second episode details the many shapes and forms Kilkenny Castle has taken over the years. Architect Orla Murphy travels to the medieval city to show us the hidden layers of the castle's history.

Engineer Tim Joyce investigates how you bore an 800 metre tunnel through Goggins Hill and build a viaduct across Laune valley at the dawn of Ireland's railway age. Architect Orla Murphy explores the relationship of gunpowder with tunnel construction and Geographer Susan Hegarty discovers the markets and industries fuelling the railways.

Architect Orla Murphy investigates the 19th century banking halls of Dame Street and the impact of personalities and politics on the architecture of the booming finance houses. Engineer Tim Joyce discovers how banking led to the innovative development of the docks and Geographer Susan Hegarty explores the role of bridges in planning the city.

Geographer Susan Hegarty investigates the mile-long quay wall and fascinating maritime history of Ireland's oldest city that has trade links with every corner of the world. Engineer Tim Joyce discovers the shipbuilding history of Waterford and Architect Orla Murphy explores the streets and building to uncover the history of the city and its people.