Photography has improved and brought an expansive view of the ocean. It is also a tool to closely study the environment and its residents. What animals see is also explored. There are 10 videos in the Return to the Sea video series: Oceans Under Glass/ Swimming With Whales/ A Day On the Reef/ Secrets of the Shark/ The Art of Underwater Photography/ The Ocean at Night and The Sea of Cortez/ The Graveyards of the Atlantic and Pacific Oceans/ People Who Make a Difference/ The Reef at the End of the Road and The Last Days of the Manatee/ Life in a Salt Marsh