NASA Earth Observatory has unveiled a new image of Boston Harbor's drumlin islands, highlighting these rare geological formations—one of only three worldwide—that were carved out by glaciers ...

Coincidentally, another one of the three flooded drumlin fields in the world can be found along the Atlantic coast of County Mayo in Ireland at Clew Bay. Local folklore claims there are 365 of ...

Or maybe you've visited one of the more popular islands on a weekend day trip from downtown Boston This archipelago is one of the few drowned drumlin fields in the world. It's eroding, and fast ...