Dylan Dreyer revisits the Caribbean, where Antillean iguanas, Abolo lizards and more show off their genius for adaptation; ancient volcanoes create fumaroles; polyps form coral reefs; four-eyed fish and spectacled caimans thrive in the Caroni Swamp.

Dylan Dreyer visits the beautiful, wildlife-diverse Galapagos Islands; Isabela Island houses the flightless cormorant; lava lizards and greater flamingos show off; lava cactus and marine iguanas on Fernandina; frigatebirds thrive on North Seymour.