Martin heads to New York, exploring Manhattan and Ellis Island. His final stop is Maine's remote islands, where he joins a century-old service providing support to isolated islanders. [S]
Martin visits Puerto Rico, recovering from Hurricane Maria's devastation. He explores Georgia and Carolina's Sea Islands, home to the Gullah Geechee people preserving African heritage. [S]
Starting at Washington's San Juan Islands, Martin heads to California's Channel Islands. He crosses 2,000 miles to Avery Island, witnessing Louisiana's disappearing coastal communities. [S]
Martin heads to the lush and tropical islands of Hawaii for a look beyond its image as a tourist paradise, and into the havoc wreaked by advancing lava fields and smoking craters. [S]