This site contains research information on penile erections. It also contains photos of erect penises. The text information is not sensational and the pictures are not pornographic. They are provided to allow anyone who feels they need this information (or is just curious) to see the natural variation that exists in male erections. If you are likely to be offended by this visual information or if you are under age 18 (21 in Alabama, Mississippi, Wyoming and Nebraska), please do not continue. All models on this site are over 18 years of age. By clicking the enter button you are certifying that you are of legal age to view this adult site.