Join host Elizabeth Harryman Lasley and producer Jason Paton in Key Largo at John Pennekamp Coral Reef State Park, the nation's first undersea park. Encompassing 70 nautical square miles, it's the perfect setting to learn about Florida Keys' natural history.

Corey Malcom, lead historian for the Florida Keys History Center, tells us how these islands took shape thousands of years ago. Marine biologist Dr. David Vaughan reveals the crucial role that Florida's Coral Reef plays in the life of the Keys. Elena Muratori, park services specialist at Pennekamp, guides us through the park.

Why are mangroves so important to the Keys' survival? How can you enjoy the reef without harming it? And why are parks like this essential to us as humans? Find out on this episode.

Learn more about John Pennekamp Coral Reef State Park here: floridastateparks.org/parks-and-trails/john-pennekamp-coral-reef-state-park

For more details and travel inspiration, visit Fla-Keys.com. To call from the United States or Canada, dial 1 800 FLA-KEYS or contact your travel advisor. Produced by Armchair Productions, the audio experts for the travel industry.