'Nothing about it felt right': More than 50 people describe sexual harassment on Capitol Hill

Be extra careful of the male lawmakers who sleep in their offices -- they can be trouble. Avoid finding yourself alone with a congressman or senator in elevators, late-night meetings or events where alcohol is flowing. And think twice before speaking out about sexual harassment from a boss -- it could cost you your career.

These are a few of the unwritten rules that some female lawmakers, staff and interns say they follow on Capitol Hill, where they say harassment and coercion is pervasive on both sides of the rotunda.There is also the "creep list" -- an informal roster passed along by word-of-mouth, consisting of the male members most notorious for inappropriate behavior, ranging from making sexually suggestive comments or gestures to seeking physical relations with younger employees and interns.CNN spoke with...