Constructed in the 1920s, Terme Tommasini is a huge hotel in Italy that features a grand hall with marble columns and numerous health spa facilities and treatment rooms.
Hotel Thermale was a hotel in France. Water from local springs was used in mineral baths, and was believed to have curing properties.
Gigawatt power station opened in 1960s and grew to be Belgium’s largest thermal power plant. The now-decommissioned plant is seriously huge!