What is an adventure travel in Switzerland?

I am doing a french project and I can't find an adventure travel. The question is "Tell about one "adventure travel" type activity in which travelers to Switzrland could participate. What would they do? Where would they go?" HELP!!!

There are trail tours:
http://www.swisshiking.com/
and a lot more:
Classic Adventures
1.
Go Ballooning in Chbteau d'Oex

2.
Hike the Bernese Oberland

3.
Walk the Glaciers at Jungfraujoch

4.
Face the Eiger's North Face

5.
Catch the Sunrise From Mt. Rigi

6.
Paraglide off Pilatus

7.
Experience Matterhorn Magic

8.
Ski Trek the Haute Route

9.
Brave the St. Moritz Cresta Run

10.
Ski and Snowboard Davos





Off the Beaten Path
11.
Ride Horses in the Jura

12.
Climb the Via Ferrata

13.
Hike the Valais Solar System

14.
Bungee Jump in True
James Bond Style

15.
Cross-Country the Engadine

16.
Play on Lake Constance

17.
Float on the River Aare

18.
Raft the Rhine's Whitewater

19.
Toboggan the Preda-Berg|n

20.
Hike the Swiss National Park


http://gorp.away.com/gorp/location/europe/switzerl/top_twenty.htm