Queen Anne architecture refers to either a style in Britain parallel to English Baroque during the reign of Queen Anne (1702-1714), or revived and modernized form of it that was popular in the late 1800s-early 1900s.
Despite this, the historical reference should not be read too literal as many buildings in this style bear little resemblance to the buildings constructed during her rein as they do to the revived style. Queen Anne styled buildings in the USA and Australia are significantly differential from those in the UK.
In the USA, the perhaps improperly named "Queen Anne style is loosely connoted with buildings with Free Renaissance. Some of these elements include large, wraparound porches and decorative railings and cone shaped roofs.
This style arrived in New York City in the later decades of the 19th century. The structures are often asymmetrical and have dominant front facing gavel. They often feature round or square towers and secondary porches or balconies. Wall textures often are different throughout, featuring wooden shingles, panels, brickwork, terra cotta and more. Bay windows and monumental chimneys are also distinctive elements the the American Queen Anne style.