1. Whale watching cruise
Stellwagen Bank is one of the best spots for whale watching in the world. Each summer, around 50 individual humpback whales return to this hotbed of biological activity. Take a whale-watching cruise and you'll see not only these majestic beauties but also other species of whales as well dolphins, seabirds and otters. Learn all about the marine life you encounter from a knowledgeable on-board naturalist.