<a href="https://www.flickr.com/photos/natematias/24387958675/in/" rel="nofollow" target="_blank">J. Nathan Matias/Flickr</a>
Squantum to Thompson Island Walk
This natural walkway is a secret until the tide is low. At that time, a sandbar appears and allows you to walk from Squantum to Thompson Island, where you can learn about the island's wildlife.