Though the Maginot Line is no longer used militarily, many of the buildings remain. Some of the forts are now wine cellars or mushroom farms. One was turned into a disco club. Today the Maginot Line is often used as a metaphor. People may refer to a failed project in which someone placed a lot of hope as a Maginot Line. Also, the Maginot Line lives on as the best-known symbol of the common saying that "generals always fight the last war.