The Old South Meeting House is a church building along the Freedom Trail in downtown Boston. It was built in 1729 and was the meeting place for the planning of the Boston Tea Party in 1773.
The Old State House is about a block away on Washington Street. It was built in 1713 and served as the location of the Massachusetts General Court. The Boston Massacre ocurred in the square in front of the building in 1770.
Official site: National Park Service: Old South Meeting House
Official site: National Park Service: Old State House