E1 - Bonaire National Marine Park

Aired: March 13, 2016

With crystal-clear waters, breathtaking marine life, and teeming biodiversity, the Caribbean island of Bonaire is a top destination for ecotourists. Visit one of the world's great ocean parks and see how the influx of travelers is fueling an ambitious project to conserve it.

E2 - Florida Keys National Marine Sanctuary

Aired: April 06, 2017

With coastal mangrove forests, seagrass beds, and vibrant coral reefs, the Florida Keys are home to a wealth of underwater environments, all connected by what scientists have dubbed the 'Corridor of Life.' Take a journey through the vital underwater sanctuaries that preserve these delicate ecosystems.

E3 - Monterey Bay Marine Sanctuary

Aired: March 02, 2017

Decades ago, Monterey Bay National Sanctuary was on the brink of ecological disaster. Today, it is a lush world of sandy sea floors and twisting seaweed jungles. Explore the home of 525 species of fish and 34 species of marine mammal, including the only species of sea lion with a growing population.

E4 - Mesoamerican Reef

Aired: March 30, 2017

The Mesoamerican Reef is the second longest on the planet--a threatened world of coastal wetlands, mangrove forests, and seagrass beds. That it exists at all is testament to decades of tireless activism, sustainable tourism, responsible fishing, and strict policing. Join us as we tour its many delights.

E5 - Bahamas: Exuma Cays

Aired: July 09, 2017

In the 1950s, Howard Hughes eyed purchasing the precious Exuma Cays--that is, until the Bahamian government intervened to protect the untouched gems. Set sail with the scientists, tour guides, and guards who have carried on that legacy to protect reefs, patrol waters, and propagate coral.