This document discusses several popular extreme adventure tourism activities, including sandboarding, exotic car driving and racing in Las Vegas, ziplining through forests, bridge climbing in Sydney and Auckland, rappelling and caving, swimming with sharks, hang gliding using foot-launched wings, sky swinging in Australia and New Zealand, extreme biking with jumps and obstacles, ATV driving through deserts and mountains, and glacier climbing in New Zealand and Alaska using ice picks and clamps. Popular locations for many of these activities are also mentioned.