IcelandIn between getting an up-close look at Iceland's renewable energy efforts, Zac soaks in a spa with Darin, samples reindeer and views natural wonders.
France
E2
FranceBefore heading to Paris to learn about its tap water system, Zac joins pal Anna Kendrick for a lesson in H20, courtesy of a water sommelier in LA.
Costa Rica
E3
Costa RicaZac and Darin try out life at a swanky eco-village committed to a small environmental footprint, visit a wildlife refuge and enjoy a zip lining trip.
Sardinia
E4
SardiniaOn an island that boasts a notable number of centenarians, Zac rethinks his view on nutrition as he ponders how the locals live such long, healthy lives.
Lima
E5
LimaFollowing a crash course in apple growing, Zac and Darin head to Peru to delve into potato cryopreservation, biopiracy and the sport of sandboarding.
Puerto Rico
E6
Puerto RicoIn the devastating wake of Hurricane Maria, Zac explores sustainability in the region, where he meets chef José Andrés, milks a goat and eats ceviche.
London
E7
LondonAfter a beekeeping stop on a New York City rooftop, Zac checks out London's pollution-reduction efforts, from wall gardening to trash collecting.
Iquitos
E8
IquitosZac boosts his immune system in the Amazon rainforest before climbing a tree, exploring ayahuasca tourism and watching his dinner wriggle on a plate.
Cast of Season 1
Zac EfronSelf
Darin OlienSelf
Rachael Wax TaberProducer
Dylan EfronProducer
Steve HoffmanProducer
Laura CoconatoProducer
Season 1 Ratings & Reviews
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