Sharks of the Bermuda Triangle
Marine biologist Dr. Austin Gallagher searches for the holy grail of shark research -- the secret breeding grounds of tiger sharks.


Marine biologist Dr. Austin Gallagher searches for the holy grail of shark research -- the secret breeding grounds of tiger sharks.

2017

2014

2019

2017
2013

2020

2012

2012

2016

2012

2014
1927

2014

2023

2020

2022

2005

2022

2012

2009