In addition to seeing and barely believing the animals so up- close, an Endeavor expedition offers long and short hikes, coastal explorations by kayaks or Zodiacs, swimming, snorkeling, or floating in a glass bottom boat for amazing undersea viewing.

FORBES: Connect

When you get to the crest of the bridge over the Thames River, you can see the center of global innovation in undersea warfare a mile down-river to your right, the Electric Boat division of General Dynamics.

FORBES: Road From D.C. To Cape Cod Reveals Reach Of Defense Industry

Developed by San Francisco-based Echo Team, Crazy Boat puts players at the helm of a boat in a weird sci-fi version of the Pacific coast, where creepy undersea monsters and strange technological nightmares roam.

FORBES: Crazy Boat: The Curse of the Trash Vortex (With Map, Guide)