Costa Rica's cloud-forest zip lines peak at Monteverde, where 'superman' cables strap you in face-down, arms back, to fly a kilometre across a forested valley at motorway speed, quetzal habitat blurring beneath. Most parks finish with a Tarzan swing that extracts the day's loudest noise from everyone. Go in the morning, before the cloud that gives the forest its name rolls in and takes the view with it. Closed shoes are mandatory; dignity is not provided.
Featured in Ten adrenaline days out: canyons, bridges and big jumps · Adventure