USCIS case status: https://egov.uscis.gov/casestatus/landing.do
USCIS application/petition processing times: https://egov.uscis.gov/cris/processTimesDisplayInit.do
U.S. Dept. of State visa status: https://ceac.state.gov/ceacstattracker/status.aspx
Find your U.S. House of Representative: http://www.house.gov/representatives/find/