We're beginning to see some more detail.

It's easy to see why Boston became such an important trade center for ships all over the world.

The light blue water was a shallow area during Paul Revere's time. Today it is filled in with houses and developments and called Back Bay.

If you look carefully you can spot Long Wharf jutting out to the east. Move your cursor there, and we'll get even closer.

Click on Boston!

HALL 3