1) Appendage to a circus 2) Carnival attraction 3) Carny feature 4) Circus attraction 5) Circus specialty 6) Diverting spectacle 7) Incident 8) Second act 9) Subordinate activity 10) Subordinate event 11) Supplement to the main event 12) Two-headed lady exhibit Found on https://www.crosswordclues.com/clue/sideshow
In America, a sideshow is an extra, secondary production associated with a circus, carnival, fair or other such attraction. == Types of attractions == There are four main types of classic sideshow attractions: The `Ten-in-One` offers a program of ten sequential acts under one tent for a single admission price. The ten-in-one might be partly a fr..... Found on http://en.wikipedia.org/wiki/Sideshow
[automobile exhibition] A sideshow is an informal and illegal demonstration of automotive stunts now often held in vacant lots, and public intersections, most often in the East Bay region of the San Francisco Bay Area, United States. Sideshows were first brought on the scene at Oakland`s Eastmont Mall parking lot as informal social gatherin... Found on http://en.wikipedia.org/wiki/Sideshow_(automobile_exhibition)
(from the article `circus`) Sideshows became a part of the circus in the United States in the late 19th century, although they did not gain much popularity elsewhere. Barnum was ... Found on http://www.britannica.com/eb/a-z/s/91