Chasing the Tide

Preparations are made for the first-ever expedition across Texas' 370 miles of barrier islands and peninsulas.

Exploring High Island, one of the world's best birding spots; walking on Texas' upper coast; keeping the coastal ecosystem alive while preparing for the next major storm and rising seas.

The Ghost Wolves of Galveston Island; the Karankawa Kadla, a group of Native Americans who were thought to be extinct.

Matagorda Island, the traditional homeland of the Karankawa people and World War II training grounds; surfer Ellis Pickett advocates for the public's right to free and unrestricted access to Texas beaches.

Anglers and scientists fight to save native oysters; researchers steward millions of acres of critical wildlife habitat to benefit millions of migratory birds.

Hiking Padre Island, the world's longest barrier island; encounters with an astronaut, falcons and the most endangered sea turtle in the world.