You don't have to go all the way to Maine to get a tour of a lighthouse — just catch a ferry in Boston Harbor. Boston Light, the last lighthouse in America to retain a Coast Guard keeper, is located on Little Brewster Island.

617-223-8666. The 2009 season is June 20 to October 10. Tours depart from The Courthouse Pier Saturdays at 10 a.m. After Labor Day the tours will depart on Saturdays at 11 a.m.bostonharborislands.org

Closest T stop: South Station, Red Line.
Get full directions.