Surfing · Hout Bay, Cape TownBig wave surfing, DungeonsINSANERisk: EXTREMEFreeA cold-water big-wave reef break off Sentinel Peak that hosted the Red Bull Big Wave Africa contest — waves regularly exceeding 6m in a stretch of ocean also frequented by great whites, reachable only by ski (jet ski tow) or a long paddle in genuinely hostile water.View details