Arenal is the unofficial capital of adventure tourism in Costa Rica — whitewater rafting, ziplining, canyoning, mountain biking, horseback riding, all-terrain vehicles — and all of these adventures are served up with a few spoonfuls of fear.
A challenge course at Sky Adventures in Arenal offers ziplines, tightrope walking, rickety bridges, hanging ladders, a waterfall Tarzan swing and a pregnant pit viper. Who could ask for anything more?