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Explore underwater worlds and marine life at various depths using scuba gear.

Ascend natural or artificial rock formations to reach a summit.

Jump from a high structure while connected to a large elastic cord.

Free-fall from an airplane before deploying a parachute.

Fly in a basket suspended from a large balloon filled with heated air.

Navigate a river's rapids and flow in an inflatable raft.

Ride on the forward or deep face of a moving wave on a surfboard.

Travel over snow on skis, often as a sport or for recreation.

Descend a snow-covered slope using a board attached to rider's feet.

Fly by harnessing into a fabric wing inflated by wind.

Ride bicycles off-road, often over rough terrain using specially designed mountain bikes.

Glide along a cable or rope, attached to a moving harness or seat.

Explore underground caves and cavern systems.

Paddle a small, narrow watercraft propelled by means of a double-bladed paddle.

Leap from a fixed object and deploy a parachute close to the ground.

Hike across glaciers using special equipment like crampons and ice axes.

Combines elements of surfing and sailing on a windsurf board using a movable mast.

Ride down dunes while standing on a board, similar to snowboarding.

Fly with a hang glider, a non-motorized flexible-wing aircraft.

Access remote mountain terrain via a helicopter for downhill skiing.

Combine aspects of wakeboarding, snowboarding, windsurfing, surfing, paragliding, and sailing into one sport.

Overland journey to observe wildlife in their natural habitat.

Walk in the countryside for pleasure or exercise, often on trails.

Ride or travel on horseback for sport or recreation.

Catch fish that live in the deepest parts of the ocean.

Navigate through canyons using a variety of techniques including walking, scrambling, climbing, jumping, abseiling, and swimming.

Ascend inclined ice formations with the help of ice axes and crampons.

Bathing in a pool of mud from a volcanic area, believed to have therapeutic properties.

Observe whales and other cetaceans in their natural habitat.