The Perisphere was a large, sphere shaped building at the 1939 New York World's Fair. In 1940, Benny Russell viewed the Perisphere while at the 1939 New York World's Fair. (DS9 novelization: Far Beyond the Stars) In the year 2155, Captain Jonathan Archer feared that the NX-class would faded into ignominy like the Trylon and Perisphere due to the demands of the Earth-Romulan War. (ENT novel: Beneath the Raptor's Wing)