There are various types of roofs but they mainly fall into two categories: sloped roofs many of which are tied closely to a particular house style or geographic region; and flat roofs which are all very similar and mostly found in modern architecture and throughout the Southwest.
Photo Gallery of Roof Types
Timothy is the founder and editor of Charles & Hudson and former editor at Popular Mechanics, This Old House, and Lifehacker. His work has been published on Wired, Bob Vila, DIY Network, and The Family Handyman. He is also the founder of the Webby-nominated Built by Kids and host of the popular Tool Crave podcast.