For those not afraid of getting wet, and maybe a little wild, Umbria’s Rafting Marmore Falls (www. raftingmarmore.com), less than an hour from Rome, is the place to go. The operation guides groups of six down the Nera River through fourth degree rapids. Still sound too tame? Try hydrospeeding, essentially aquatic tobogganing, for a twohour thrill ride. But if you prefer a more relaxing experience, take the easy rafting tour