Mayor Hugh Grant presides over America's largest city, population two and a half million. Ellis Island opened on January 1st, to bring another quarter-million emigrants to America this year. Elevated railways, cable cars and horse-drawn trolleys provide public transportation in Manhattan; the skies above the streets are darkened by hundreds of electrical, telephonic, and telegraphic wires. Ferries carry traffic across major bodies of water, except for the Brooklyn Bridge. The Bronx Zoo has not yet opened, although proposed. The Statue of Liberty has only been standing (complete) in the harbor since 1886. Construction began last year on Grant's Tomb. Benjamin Harrison, a Republican, is President of the U.S. in this election year; his wife Caroline died a few months ago. The Sherman Anti-Trust Act has been in operation for a couple of years. The "White City" is built in Chicago for the "Columbian Exposition". Jim Corbett beats John L. Sullivan in the first heavyweight championship fight under the Queensbury rules. The French attempt to build a canal in Panama ends in bankruptcy and scandal.
Our heroes confront the men who kidnapped Stephen Richardson, and travel to Pittsburgh to learn of Dr. Zermer's evil schemes.
Dr. Zermer's mechanical men are defeated, although Emma Goldman remains as a replica. Zermer is turned over to the authorities.
Our heroes race to the Andes -- only to confront Baron None in an ancient temple of Atlantean / Incan crystalline science!
Doctor Omega steals the SS President Cleveland, a new airship, and plans to threaten the world with it!