At Mystic Mountain, Ocho Rios, Jamaica, you can race through the rainforest at speeds up to 25 mph on a one-person bobsled. A run down the 3,281-foot track costs $62; 10% discount on tickets bought online. (Ship passengers should buy tickets from their cruise line.) Children must be at least 46 inches tall to ride. Open 9-5 daily.
The run is located in Rain Forest Adventures Mystic Mountain Jamaica park (office at SW Third Ave., Ste. 200, Miami, FL 33129; 866/759-8726 or 305/704-3350).
Park entry is free. Guests to the park can visit the Butterfly & Hummingbird Gardens (free), ride the Sky Explorer chairlift (included with bobsled ticket), ride a zip-line ($68) or slide down a 252-foot water slide into an infinity pool (free).