On a quiet residential stretch of North Main Street in Sunderland, Massachusetts, stands a tree so large that first-time visitors often assume they've taken a wrong turn and ended up somewhere else. The Buttonball Tree, an American sycamore, has been growing on this spot since before the United States existed as a country — and it's still expanding today. The Numbers Behind … [Read more...] about The Buttonball Tree: Massachusetts’ 400-Year-Old Living Witness to American History