
Ocean Treks with Jeff Corwin
Best of: Natural Wonders
TV-G
S2 • E21 Apr 27, 2018 25mJeff sails the globe in search of its most amazing natural wonders. In Cozumel, Mexico, he explores a mysterious ancient underwater sinkhole. Then, he visits ice caves in Tokyo, Japan, and the steaming surface of an active volcano in Reykjavik, Iceland. Finally, Jeff witnesses thousands of spawning salmon in the pristine rivers of Sitka, Alaska.