Sarah Darwin, Darwin's great-great-granddaughter, and British author Redmond O'Hanlon repeat Charles Darwin's 1831 epic voyage; throughout the journey, scientists and artists join the crew to conduct research and discuss Darwin's observations.

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Darwin's great-great-granddaughter and a crew of authors, artists and scientists retrace Charles Darwin's voyage; a journey from Tenerife to the rainforests of the Amazon.

The clipper crosses the Strait of Magellan; Redmond examines the value of salmon farms; Sarah retraces Darwin's journey into the Andes Mountains, an expedition he considered to be one of the highlights of his voyage.

The crew makes for Australia to examine the effect that human habitation and the introduction of invasive species has had on the island; how climate change has impacted the land and its inhabitants.