<P> The Niagara Falls area features as the base camp for a German aerial invasion of the United States in the H.G. Wells novel The War in the Air . </P> <P> Many poets have been inspired to write about the falls . Among them was the Cuban poet José Maria Heredia, who wrote the poem "Niagara". There are commemorative plaques on both sides of the falls recognising the poem . </P> <P> In the original 1920s and 1930s Buck Rogers stories and newspaper cartoons, Buck Rogers, in his adventures in the 25th century that take place on Earth, helps in the fight for a free Northern America from the liberated zone around Niagara, New York (which by then has grown to a large metropolis--the capital of the liberated zone--that includes Niagara Falls, New York, Niagara Falls, Ontario, and Buffalo, New York), against the Red Mongol Empire, a Chinese empire of the future which in the 25th century rules most of North America . </P> <P> The Bulgarian writer Aleko Konstantinov portrays the impressiveness of the Niagara Falls in his book, "To Chicago and back". </P>

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